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15 March, 14:29

Expand.

Your answer should be a pNynomial in standard form.

(x - 4) (x + 7) =

+5
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  1. 15 March, 15:55
    0
    Answer: x^2 + 3x - 28

    Step-by-step explanation: Split the angle using the sum and difference formulas and simplify.
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