(9x^2+15x-20)*(9x^2-10x+5)=

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Solution for (9x^2+15x-20)*(9x^2-10x+5)= equation: 


Simplifying
(9x2 + 15x + -20)(9x2 + -10x + 5) = 0

Reorder the terms:
(-20 + 15x + 9x2)(9x2 + -10x + 5) = 0

Reorder the terms:
(-20 + 15x + 9x2)(5 + -10x + 9x2) = 0

Multiply (-20 + 15x + 9x2) * (5 + -10x + 9x2)
(-20(5 + -10x + 9x2) + 15x * (5 + -10x + 9x2) + 9x2 * (5 + -10x + 9x2)) = 0
((5 * -20 + -10x * -20 + 9x2 * -20) + 15x * (5 + -10x + 9x2) + 9x2 * (5 + -10x + 9x2)) = 0
((-100 + 200x + -180x2) + 15x * (5 + -10x + 9x2) + 9x2 * (5 + -10x + 9x2)) = 0
(-100 + 200x + -180x2 + (5 * 15x + -10x * 15x + 9x2 * 15x) + 9x2 * (5 + -10x + 9x2)) = 0
(-100 + 200x + -180x2 + (75x + -150x2 + 135x3) + 9x2 * (5 + -10x + 9x2)) = 0
(-100 + 200x + -180x2 + 75x + -150x2 + 135x3 + (5 * 9x2 + -10x * 9x2 + 9x2 * 9x2)) = 0
(-100 + 200x + -180x2 + 75x + -150x2 + 135x3 + (45x2 + -90x3 + 81x4)) = 0

Reorder the terms:
(-100 + 200x + 75x + -180x2 + -150x2 + 45x2 + 135x3 + -90x3 + 81x4) = 0

Combine like terms: 200x + 75x = 275x
(-100 + 275x + -180x2 + -150x2 + 45x2 + 135x3 + -90x3 + 81x4) = 0

Combine like terms: -180x2 + -150x2 = -330x2
(-100 + 275x + -330x2 + 45x2 + 135x3 + -90x3 + 81x4) = 0

Combine like terms: -330x2 + 45x2 = -285x2
(-100 + 275x + -285x2 + 135x3 + -90x3 + 81x4) = 0

Combine like terms: 135x3 + -90x3 = 45x3
(-100 + 275x + -285x2 + 45x3 + 81x4) = 0

Solving
-100 + 275x + -285x2 + 45x3 + 81x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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