3x(4x-7)=4x+2x

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Solution for 3x(4x-7)=4x+2x equation:


Simplifying
3x(4x + -7) = 4x + 2x

Reorder the terms:
3x(-7 + 4x) = 4x + 2x
(-7 * 3x + 4x * 3x) = 4x + 2x
(-21x + 12x2) = 4x + 2x

Combine like terms: 4x + 2x = 6x
-21x + 12x2 = 6x

Solving
-21x + 12x2 = 6x

Solving for variable 'x'.

Reorder the terms:
-21x + -6x + 12x2 = 6x + -6x

Combine like terms: -21x + -6x = -27x
-27x + 12x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
-27x + 12x2 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-9 + 4x) = 0

Ignore the factor 3.

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 '(-9 + 4x)' equal to zero and attempt to solve: Simplifying -9 + 4x = 0 Solving -9 + 4x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 4x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 4x = 0 + 9 4x = 0 + 9 Combine like terms: 0 + 9 = 9 4x = 9 Divide each side by '4'. x = 2.25 Simplifying x = 2.25

Solution

x = {0, 2.25}

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