3x(x-6)+(x-3)(-8x)=

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Solution for 3x(x-6)+(x-3)(-8x)= equation:


Simplifying
3x(x + -6) + (x + -3)(-8x) = 0

Reorder the terms:
3x(-6 + x) + (x + -3)(-8x) = 0
(-6 * 3x + x * 3x) + (x + -3)(-8x) = 0
(-18x + 3x2) + (x + -3)(-8x) = 0

Reorder the terms:
-18x + 3x2 + (-3 + x)(-8x) = 0

Remove parenthesis around (-8x)
-18x + 3x2 + (-3 + x) * -8x = 0

Reorder the terms for easier multiplication:
-18x + 3x2 + -8x(-3 + x) = 0
-18x + 3x2 + (-3 * -8x + x * -8x) = 0
-18x + 3x2 + (24x + -8x2) = 0

Reorder the terms:
-18x + 24x + 3x2 + -8x2 = 0

Combine like terms: -18x + 24x = 6x
6x + 3x2 + -8x2 = 0

Combine like terms: 3x2 + -8x2 = -5x2
6x + -5x2 = 0

Solving
6x + -5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(6 + -5x) = 0

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 '(6 + -5x)' equal to zero and attempt to solve: Simplifying 6 + -5x = 0 Solving 6 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -5x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -5x = 0 + -6 -5x = 0 + -6 Combine like terms: 0 + -6 = -6 -5x = -6 Divide each side by '-5'. x = 1.2 Simplifying x = 1.2

Solution

x = {0, 1.2}

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