I'll teach you how to factor 4x^2 + 36X + 81
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4x^2 + 36X + 81
Rewrite 4x^2 + 36X + 81 as...
(2x)^2+2*2x*9+9^2
Apply perfect square formula:
(2x+9)^2
Your Answer Is (2x+9)^2
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