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30 March, 16:30

Which is a solution to

(x - 2) (x + 10) = 13?

A. x = 3

B. x = 8

C. x = 10

D. x = 11

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Answers (2)
  1. 30 March, 18:26
    0
    A, x=3

    Step-by-step explanation:

    (x-2) (x+10) = 13

    x²+10x-2x-20=13

    x²+8x-20-13=0

    x²+8x-33=0

    x²+11x-3x-33=0

    x (x+11) - 3 (x+11) = 0

    (x+11) (x-3) = 0

    x=-11,3
  2. 30 March, 19:07
    0
    A. x = 3

    Step-by-step explanation:

    Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

    x=3
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