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OpenStudy (anonymous):
Please Help :D Solve for x. 4x^2 - 36 = 0
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OpenStudy (anonymous):
I think it is 3 :D
jimthompson5910 (jim_thompson5910):
you got it right again
jimthompson5910 (jim_thompson5910):
but, -3 also works as well
jimthompson5910 (jim_thompson5910):
since 4(-3)^2 - 36 4(9) - 36 36 - 36 0
OpenStudy (anonymous):
Thanks :D
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jimthompson5910 (jim_thompson5910):
sure thing
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