7x(-3x-5)-3x(-3x-4)=

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Solution for 7x(-3x-5)-3x(-3x-4)= equation:


Simplifying
7x(-3x + -5) + -3x(-3x + -4) = 0

Reorder the terms:
7x(-5 + -3x) + -3x(-3x + -4) = 0
(-5 * 7x + -3x * 7x) + -3x(-3x + -4) = 0
(-35x + -21x2) + -3x(-3x + -4) = 0

Reorder the terms:
-35x + -21x2 + -3x(-4 + -3x) = 0
-35x + -21x2 + (-4 * -3x + -3x * -3x) = 0
-35x + -21x2 + (12x + 9x2) = 0

Reorder the terms:
-35x + 12x + -21x2 + 9x2 = 0

Combine like terms: -35x + 12x = -23x
-23x + -21x2 + 9x2 = 0

Combine like terms: -21x2 + 9x2 = -12x2
-23x + -12x2 = 0

Solving
-23x + -12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1x'.
-1x(23 + 12x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(23 + 12x)' equal to zero and attempt to solve: Simplifying 23 + 12x = 0 Solving 23 + 12x = 0 Move all terms containing x to the left, all other terms to the right. Add '-23' to each side of the equation. 23 + -23 + 12x = 0 + -23 Combine like terms: 23 + -23 = 0 0 + 12x = 0 + -23 12x = 0 + -23 Combine like terms: 0 + -23 = -23 12x = -23 Divide each side by '12'. x = -1.916666667 Simplifying x = -1.916666667

Solution

x = {0, -1.916666667}

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