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Q: How do you factor the equation y equals 4x2 - 36x plus 81?

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x2 + 36x = 0 x2 = -36x x = -36

32 - 121 - 64 = 36x => -153 = 36x so that x = -4.25

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

(x - 6)(5x - 6)

x = sq root of 36x = 6x = -6

(3X + 9) (X + 9)

52x - 7 = 33 - 36x + 4 52x + 36x = 33 + 7 + 4 88x = 44 x = 1/2

(7x2 + 9)(4x - 1)

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

x + 36 = 82x = 82 - 36x = 46

Greatest common factor of 16x and 36x is 4x.

I'm guessing that's 36x^2 - 36x + 9 which factors to 9(2x - 1)(2x - 1)

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