x*7(x-4)=20x

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Solution for x*7(x-4)=20x equation:


Simplifying
x * 7(x + -4) = 20x

Reorder the terms:
x * 7(-4 + x) = 20x

Reorder the terms for easier multiplication:
7x(-4 + x) = 20x
(-4 * 7x + x * 7x) = 20x
(-28x + 7x2) = 20x

Solving
-28x + 7x2 = 20x

Solving for variable 'x'.

Reorder the terms:
-28x + -20x + 7x2 = 20x + -20x

Combine like terms: -28x + -20x = -48x
-48x + 7x2 = 20x + -20x

Combine like terms: 20x + -20x = 0
-48x + 7x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-48 + 7x) = 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 '(-48 + 7x)' equal to zero and attempt to solve: Simplifying -48 + 7x = 0 Solving -48 + 7x = 0 Move all terms containing x to the left, all other terms to the right. Add '48' to each side of the equation. -48 + 48 + 7x = 0 + 48 Combine like terms: -48 + 48 = 0 0 + 7x = 0 + 48 7x = 0 + 48 Combine like terms: 0 + 48 = 48 7x = 48 Divide each side by '7'. x = 6.857142857 Simplifying x = 6.857142857

Solution

x = {0, 6.857142857}

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