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`(a + b)^2 = a^2 +
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`(a – b)^2 = a^2 –
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`p^2q + q^2r + r^2q` is a
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abc + bca + cab is a
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`(9x – 51) -: 9` is x –
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The value of `(a + 1) (a – 1) (a^2 + 1)` is `a^4 –
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Multiply the following: `– 7pq^2r^3, –
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Multiply the following: `15xy^2,
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Expand the following, using suitable identities. `(xy +
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Expand the following, using suitable identities. `(7x +
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Using suitable identities, evaluate the following.
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Factorise the following. `x^2 + 15x +
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Factorise the following. `x^2 = 17x + 60`
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Factorise the following. `p^2 – 13p –
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