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OpenStudy (ars22):
what is (2+2x)^2 = 9 in quadratic form?
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OpenStudy (anonymous):
it is in "quadratic form"
OpenStudy (anonymous):
you can write \[4 x^2+8 x-5 = 0\] if you prefer, but this makes it harder to solve, not easier
OpenStudy (ars22):
Teacher prefers [4 x^2+8 x-5 = 0] thanks
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