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factor 4x^2-36x+81=9

Algebra
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Factor 4x^2-36x+81=9

Feb 14th, 2015

4x2 + -36x + 72 = 0

Reorder the terms:
0 = 72 + -36x + 4x2

Factor out the Greatest Common Factor (GCF), '4'.
0 = 4(18 + -9x + x2)

Factor a trinomial.
0 = 4((3 + -1x)(6 + -1x))

Final result:
0 = 4(3 + -1x)(6 + -1x)


Feb 14th, 2015

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