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5 January, 06:11

Multiply.

(7a-1) (x^2+2x-5)

+5
Answers (2)
  1. 5 January, 06:14
    0
    7ax2+14ax-x2-35a-2x+5

    Step-by-step explanation:

    (7a+-1) (x2+2x+-5)

    = (7a) (x2) + (7a) (2x) + (7a) (-5) + (-1) (x2) + (-1) (2x) + (-1) (-5)

    =7ax2+14ax-35a-x2-2x+5

    =7ax2+14ax-x2-35a-2x+5
  2. 5 January, 06:28
    0
    Step-by-step explanation:

    (7a - 1) (x² + 2x - 5) = 7a * ((x² + 2x - 5) + (-1) * (x² + 2x - 5)

    = 7a*x² + 7a*2x + 7 * (-5) + (-1) * x² + (-1) * 2x + - 5*-1

    = 7ax² + 14ax - 35 - x² - 2x + 5

    = 7ax² - x² + 14ax - 2x - 30
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