3x(2x-7)-2x(x+3)=

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Solution for 3x(2x-7)-2x(x+3)= equation:


Simplifying
3x(2x + -7) + -2x(x + 3) = 0

Reorder the terms:
3x(-7 + 2x) + -2x(x + 3) = 0
(-7 * 3x + 2x * 3x) + -2x(x + 3) = 0
(-21x + 6x2) + -2x(x + 3) = 0

Reorder the terms:
-21x + 6x2 + -2x(3 + x) = 0
-21x + 6x2 + (3 * -2x + x * -2x) = 0
-21x + 6x2 + (-6x + -2x2) = 0

Reorder the terms:
-21x + -6x + 6x2 + -2x2 = 0

Combine like terms: -21x + -6x = -27x
-27x + 6x2 + -2x2 = 0

Combine like terms: 6x2 + -2x2 = 4x2
-27x + 4x2 = 0

Solving
-27x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-27 + 4x) = 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 '(-27 + 4x)' equal to zero and attempt to solve: Simplifying -27 + 4x = 0 Solving -27 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + 4x = 0 + 27 Combine like terms: -27 + 27 = 0 0 + 4x = 0 + 27 4x = 0 + 27 Combine like terms: 0 + 27 = 27 4x = 27 Divide each side by '4'. x = 6.75 Simplifying x = 6.75

Solution

x = {0, 6.75}

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