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OpenStudy (anonymous):
rewrite without parentheses and simplify (4u-2)^2
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OpenStudy (unklerhaukus):
\[(4u-2)^2=(4u-2)(4u-2)\]\[=4u(4u-2)-2(4u-2)\]\[=16u^2-8u-8u+4\]\[=16u^2-16u+4\]
OpenStudy (anonymous):
^What he said :P
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