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12 December, 18:50

Solve by factoring. x² - 121 = 0

0

-11

11

11, - 11

Solve by factoring. m² + 8m + 7 = 0

8,7

-7, 1

-7, - 1

7, 1

+1
Answers (1)
  1. 12 December, 19:14
    0
    The first one is 11 and - 11 because when you square them they both get 121

    The second one is - 7 and - 1
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