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True [87]
4 years ago
14

The first three steps of completing the square to solve the quadratic equation x^2+4x-6=0 are shown below.

Mathematics
1 answer:
ad-work [718]4 years ago
5 0
Take the sqrt of both sides of <span>(x+2)^2=10:

x+2 = plus or minus sqrt(10)

Solve for x:  x = -2 plus or minus sqrt(10)

Evaluate x:  x = -2 + sqrt(10)  AND  x = -2 - sqrt(10)       (answers)

</span>
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