(5x^2-x-3)(2x+6)=

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Solution for (5x^2-x-3)(2x+6)= equation:


Simplifying
(5x2 + -1x + -3)(2x + 6) = 0

Reorder the terms:
(-3 + -1x + 5x2)(2x + 6) = 0

Reorder the terms:
(-3 + -1x + 5x2)(6 + 2x) = 0

Multiply (-3 + -1x + 5x2) * (6 + 2x)
(-3(6 + 2x) + -1x * (6 + 2x) + 5x2 * (6 + 2x)) = 0
((6 * -3 + 2x * -3) + -1x * (6 + 2x) + 5x2 * (6 + 2x)) = 0
((-18 + -6x) + -1x * (6 + 2x) + 5x2 * (6 + 2x)) = 0
(-18 + -6x + (6 * -1x + 2x * -1x) + 5x2 * (6 + 2x)) = 0
(-18 + -6x + (-6x + -2x2) + 5x2 * (6 + 2x)) = 0
(-18 + -6x + -6x + -2x2 + (6 * 5x2 + 2x * 5x2)) = 0
(-18 + -6x + -6x + -2x2 + (30x2 + 10x3)) = 0

Combine like terms: -6x + -6x = -12x
(-18 + -12x + -2x2 + 30x2 + 10x3) = 0

Combine like terms: -2x2 + 30x2 = 28x2
(-18 + -12x + 28x2 + 10x3) = 0

Solving
-18 + -12x + 28x2 + 10x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-9 + -6x + 14x2 + 5x3) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-9 + -6x + 14x2 + 5x3)' equal to zero and attempt to solve: Simplifying -9 + -6x + 14x2 + 5x3 = 0 Solving -9 + -6x + 14x2 + 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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