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OpenStudy (anonymous):
Simplify: (5x - 10)2
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OpenStudy (anonymous):
do you mean squared?
OpenStudy (anonymous):
\[25x ^{2}+100-100x\]
OpenStudy (mayliz):
25x^2+100-100x
OpenStudy (callisto):
(5x - 10)^2 = (5x)^2 - 2(5x)(10) +10^2 = 25x^2 - 100x +100
OpenStudy (callisto):
use the identity (a ± b)^2 = a^2 ± 2ab +b^2
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