2x(x-2)=7x^2-5x

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Solution for 2x(x-2)=7x^2-5x equation:


Simplifying
2x(x + -2) = 7x2 + -5x

Reorder the terms:
2x(-2 + x) = 7x2 + -5x
(-2 * 2x + x * 2x) = 7x2 + -5x
(-4x + 2x2) = 7x2 + -5x

Reorder the terms:
-4x + 2x2 = -5x + 7x2

Solving
-4x + 2x2 = -5x + 7x2

Solving for variable 'x'.

Reorder the terms:
-4x + 5x + 2x2 + -7x2 = -5x + 7x2 + 5x + -7x2

Combine like terms: -4x + 5x = 1x
1x + 2x2 + -7x2 = -5x + 7x2 + 5x + -7x2

Combine like terms: 2x2 + -7x2 = -5x2
1x + -5x2 = -5x + 7x2 + 5x + -7x2

Reorder the terms:
1x + -5x2 = -5x + 5x + 7x2 + -7x2

Combine like terms: -5x + 5x = 0
1x + -5x2 = 0 + 7x2 + -7x2
1x + -5x2 = 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
1x + -5x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + -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 '(1 + -5x)' equal to zero and attempt to solve: Simplifying 1 + -5x = 0 Solving 1 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -5x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5x = 0 + -1 -5x = 0 + -1 Combine like terms: 0 + -1 = -1 -5x = -1 Divide each side by '-5'. x = 0.2 Simplifying x = 0.2

Solution

x = {0, 0.2}

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