4x^2-15x=x

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Solution for 4x^2-15x=x equation:


Simplifying
4x2 + -15x = x

Reorder the terms:
-15x + 4x2 = x

Solving
-15x + 4x2 = x

Solving for variable 'x'.

Reorder the terms:
-15x + -1x + 4x2 = x + -1x

Combine like terms: -15x + -1x = -16x
-16x + 4x2 = x + -1x

Combine like terms: x + -1x = 0
-16x + 4x2 = 0

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

Ignore the factor 4.

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

Solution

x = {0, 4}

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