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1 February, 11:39

Multiply.

(x - 7) (x - 10)

A) 2x + 70

B) x2 + 70

C) x2 - 70

D) x2 - 17x + 70

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Answers (1)
  1. 1 February, 11:48
    0
    The answer is D. The easiest way to see this is by using the FOIL method.

    First

    Outside

    Inside

    Last. So the first is x2, the outside is - 10x, the inside is - 7x, and the last is 70. So it would be x2-17x+70
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