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OpenStudy (anonymous):
4+2x^2 can someone help
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OpenStudy (anonymous):
What should we do with it?
OpenStudy (anonymous):
HERE you have an identity man. re arrange it. it should be 2x^2+4
OpenStudy (anonymous):
you have to expand this identity using the formula (a+b)^2
OpenStudy (anonymous):
(4+2x^2)^2 = 4x^4 + 16x^2 + 16
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