Question

Find the roots of the equation x 2 - x- 56 = 0

Answer 1

Answer:

X² - X - 56 = 0

X² - 8x + 7x - 56 = 0

X(x - 8) + 7 (x - 8) = 0

(x - 8) (x + 7) = 0

X = -7 , 8.

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