(5x^2-2x-5)(3x+9)=

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Solution for (5x^2-2x-5)(3x+9)= equation:


Simplifying
(5x2 + -2x + -5)(3x + 9) = 0

Reorder the terms:
(-5 + -2x + 5x2)(3x + 9) = 0

Reorder the terms:
(-5 + -2x + 5x2)(9 + 3x) = 0

Multiply (-5 + -2x + 5x2) * (9 + 3x)
(-5(9 + 3x) + -2x * (9 + 3x) + 5x2 * (9 + 3x)) = 0
((9 * -5 + 3x * -5) + -2x * (9 + 3x) + 5x2 * (9 + 3x)) = 0
((-45 + -15x) + -2x * (9 + 3x) + 5x2 * (9 + 3x)) = 0
(-45 + -15x + (9 * -2x + 3x * -2x) + 5x2 * (9 + 3x)) = 0
(-45 + -15x + (-18x + -6x2) + 5x2 * (9 + 3x)) = 0
(-45 + -15x + -18x + -6x2 + (9 * 5x2 + 3x * 5x2)) = 0
(-45 + -15x + -18x + -6x2 + (45x2 + 15x3)) = 0

Combine like terms: -15x + -18x = -33x
(-45 + -33x + -6x2 + 45x2 + 15x3) = 0

Combine like terms: -6x2 + 45x2 = 39x2
(-45 + -33x + 39x2 + 15x3) = 0

Solving
-45 + -33x + 39x2 + 15x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(-15 + -11x + 13x2 + 5x3) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-15 + -11x + 13x2 + 5x3)' equal to zero and attempt to solve: Simplifying -15 + -11x + 13x2 + 5x3 = 0 Solving -15 + -11x + 13x2 + 5x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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