Question

Quadratic equation solve x2+2x-8=0

Quadratic function and equation
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asked 2021-01-16
Quadratic equation solve \(x2+2x-8=0\)

Answers (1)

2021-01-17
To solve this problem, use the quadratic formula. This will be \(a = 1, b = 2\) and \(c = -8\).
The formula substituted is \(\frac{-2 +- (the\ square\ root\ of\ 4+32)}{2}\)
That is \(\frac{-2 +- 6}{2}\). Simplify that to get \(x = 2\) and \(x = -4\).
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