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OpenStudy (anonymous):
Solve: five less than twice what negative number squared is 157?
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OpenStudy (anonymous):
2(-x) - 5 = 157
OpenStudy (anonymous):
oops, I missed the squared
OpenStudy (anonymous):
157=2x^2-5
OpenStudy (anonymous):
yeah, that :)
OpenStudy (anonymous):
162=2x^2 81=x^2 x=9
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