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OpenStudy (anonymous):
Given the following perfect square trinomial, fill in the missing term. 4x^2 + ___x + 49
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OpenStudy (anonymous):
this must be the square of \(2x+7\) i.e it is \[ (2x+7)^2=(2x+7)(2x+7)=4x^2+14x+14x+49=4x^2+28x+49\]
OpenStudy (anonymous):
i got 14 @satellite73
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