Larissa S.

asked • 05/19/20

Solve algebraically y=x2 +x−7 y = x + 2

Solve algebraically

y=x2 +x−7

y = x + 2

Andrew K.

tutor
y = x ^2 + x - 7 and y = x + 2. x + 2 = x^2 + x - 7 -2 -2 x = x^2 + x - 9 -x -x 0 = x^2 - 9 0 = (x - 3)(x + 3) x - 3 = 0 and x + 3 = 0 + 3 + 3 -3 -3 x = 3 and x = -3
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05/20/20

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