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OpenStudy (anonymous):
I need help How do you do this? Complete the trinomial so it is a perfect square x^2+__+64
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OpenStudy (anonymous):
\[\pm16x\]
OpenStudy (anonymous):
Thanks! Can you show me how to do that step by step?
OpenStudy (anonymous):
x2-16x+64= (x-8)^2 x2+16x+64=(x+8)^2
OpenStudy (anonymous):
64=8^2 so, it will be perfect square only when+/-2*8x=16x is added
OpenStudy (anonymous):
distributing medals? alright
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OpenStudy (anonymous):
yeah
OpenStudy (anonymous):
u need medals
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