Best Answer

4x2 - 36x + 81 = 4x2 - 18x - 18x +81 = 2x(2x - 9) - 9(2x - 9) = (2x - 9)2

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(2x - 9)(2x - 9)

Q: Factor 4x2 plus 81-36x

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4x2+20x+25 (2x+5)^2

The GCF is 4x2.

(x + 1)(x - 2)(x + 5)

If that's + 4x2, the answer is 2x(x2 + 2x - 4)

4x

Related questions

4x2+20x+25 (2x+5)^2

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The quadratic 4x2+24x+11 = (2x+1)(2x+11)

4x2-36x+81 (2x-9)(2x-9)

4x2 - 23xy + 15y2 = (4x - 3y)(x - 5y)

4(x + 1)(x + 1)

4(x^2 + 2x + 8)

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It is: 2x(2x+11)

(2x - 1)(2x + 5)