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OpenStudy (anonymous):
How to SOLVE r^2-8r+16=0
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OpenStudy (anonymous):
r^2 -8r + 16 = (r - 4)^2 which means you have to solve (r-4)^2 = 0 equals to (r-4) = 0 r = 4
OpenStudy (anonymous):
agree.......................:)
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