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OpenStudy (anonymous):
Which polynomial is a perfect square trinomial? 36x2 − 18x − 9 4a2 − 28a − 49 25b2 − 40b + 16 4x2 − 6x + 9
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OpenStudy (anonymous):
i need help!
hartnn (hartnn):
the general form of your quadratic equation is ax^2+bx+c find a,b,c now check whether a and c are perfect squares then check that( 2 sqrt a* sqrt c) =b the option that satisfies all these 3 condition is a perfect square
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