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Multiply the following: `(3x^2 + 4x – 8), (2x^2 – 4x +

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Expand the following, using suitable identities. (x + 3) (x +

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Expand the following, using suitable identities. `(x^2 + y^2) (x^2 –

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Using suitable identities, evaluate the following. `104 xx

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Write the greatest common factor in each of the following terms. `63p^2a^2r^2s, – 9pq^2r^2s^2, 15p^2qr^2s^2, –

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Write the greatest common factor in each of the following terms. `13x^2y,

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Factorise the following expressions. `ax^3 – bx^2 +

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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Factorise the following, using the identity `a^2 + 2ab + b^2 = (a + b)^2` `x^2 + 12x +

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Factorise the following, using the identity `a^2 + 2ab + b^2 = (a + b)^2` `a^2x^3 + 2abx^2 +

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `4y^2 – 12y +

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Factorise the following. `x^2 – 10x +

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k points)

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `16x^4 –

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `9x^2 – (3y +

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Perform the following divisions: `(ax^3 – bx^2 + cx) -: (–

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Factorise the expressions and divide them as directed: `(3x^2 – 48) -: (x –

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Factorise the expressions and divide them as directed: `(x^4 – 16) -: x^3 + 2x^2 + 4x +

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Find the length of the side of the given square if area of the square is 625 square units and then find the value of x.

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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On multiplying _________ by `2^(–5)` we get

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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`329.25 = 3 xx 10^2 + 2 xx 10^1 + 9 xx 10^0 + 2 xx 10^–1 + 5 xx

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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Find a single machine that will do the same job as the given hook-up. (a) a`(xx 2^3)` machine followed by `(xx 2^(–2))` machine. (b) a`(xx 2^4)` machine followed by `(xx(1/2)^2)` machine (c) a`(xx 5^99)` machine followed by a `(5^(–100))`

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

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