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OpenStudy (anonymous):
Factor the following expression into a product of two binomials: 25x^2 -90x +81
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OpenStudy (anonymous):
25x^2 -90x +81 = (5x-9 )(5x-9)
OpenStudy (anonymous):
you are supposed to recognize this one as a "perfect square" \[(a-b)^2=a^2-2ab+b^2\] in this case \[a=5x,b=9\]
OpenStudy (anonymous):
Yes bradley I factored the other one for you. Just to let you know
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