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)
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