7x^2+8x=x^2

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Solution for 7x^2+8x=x^2 equation:


Simplifying
7x2 + 8x = x2

Reorder the terms:
8x + 7x2 = x2

Solving
8x + 7x2 = x2

Solving for variable 'x'.

Combine like terms: 7x2 + -1x2 = 6x2
8x + 6x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
8x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(4 + 3x) = 0

Ignore the factor 2.

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 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 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 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Solution

x = {0, -1.333333333}

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