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Help? Pleaseeeeeee?

Help? Pleaseeeeeee?-example-1
User Adolfo Perez
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1 Answer

23 votes
23 votes

Answer:

x = 1 or -2

Explanation:

a denominator cannot be zero.

x - 1 = 0 at x = 1

x + 2 = 0 at x = -2

x² + x - 2 = 0 at (-1 ±√(1² - 4(1)(-2))) / (2(1)) = (-1 ± 3)/2 = 1 or -2 both of which we have found already.

User Aaron Dietz
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