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29 February, 16:52

X2 + x - 42 = x2 + - 7% - 6x - 42

Next, use double grouping to factor the four terms.

= x (N - 4 (x + 7)

To verify,

the factors.

+4
Answers (1)
  1. 29 February, 20:00
    0
    Answer: 7x-6x

    (X+7) - 6

    = (x-6) (x+7)

    Multiply
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