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OpenStudy (anonymous):
what makes x^2+7 a perfect square
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OpenStudy (raden):
x=3 ?
OpenStudy (acxbox22):
you mean x^2+7x a perfect square trinomial?
OpenStudy (anonymous):
if it's as a perfect square trinomial, it is usally x^2+bx+c "B" is the number that if dived you can find it's factor so if you divided 7 it would be 3.5. c is the constant so it would be 3.5^2 so when you square that you get your answer
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