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Which number completes the perfect square trinomial? x2 + 20x + _ A. 40 B. 100 C. 25 D. 80
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(x+10) would give you a middle term of 20, right ?
I mean (x+10)^2
So its 40?
no, b/c the last term would be 10 * 10
oh wait. one min i was not paying attention. just woke up.
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it's alright :)
:) so if its 10*10 that would be 100! right? hehe
Yeah, you got this !
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