2x^2+4x-4x^2=5x^2-1+10x

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Solution for 2x^2+4x-4x^2=5x^2-1+10x equation:


Simplifying
2x2 + 4x + -4x2 = 5x2 + -1 + 10x

Reorder the terms:
4x + 2x2 + -4x2 = 5x2 + -1 + 10x

Combine like terms: 2x2 + -4x2 = -2x2
4x + -2x2 = 5x2 + -1 + 10x

Reorder the terms:
4x + -2x2 = -1 + 10x + 5x2

Solving
4x + -2x2 = -1 + 10x + 5x2

Solving for variable 'x'.

Reorder the terms:
1 + 4x + -10x + -2x2 + -5x2 = -1 + 10x + 5x2 + 1 + -10x + -5x2

Combine like terms: 4x + -10x = -6x
1 + -6x + -2x2 + -5x2 = -1 + 10x + 5x2 + 1 + -10x + -5x2

Combine like terms: -2x2 + -5x2 = -7x2
1 + -6x + -7x2 = -1 + 10x + 5x2 + 1 + -10x + -5x2

Reorder the terms:
1 + -6x + -7x2 = -1 + 1 + 10x + -10x + 5x2 + -5x2

Combine like terms: -1 + 1 = 0
1 + -6x + -7x2 = 0 + 10x + -10x + 5x2 + -5x2
1 + -6x + -7x2 = 10x + -10x + 5x2 + -5x2

Combine like terms: 10x + -10x = 0
1 + -6x + -7x2 = 0 + 5x2 + -5x2
1 + -6x + -7x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
1 + -6x + -7x2 = 0

Factor a trinomial.
(1 + -7x)(1 + x) = 0

Subproblem 1

Set the factor '(1 + -7x)' equal to zero and attempt to solve: Simplifying 1 + -7x = 0 Solving 1 + -7x = 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 + -7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -7x = 0 + -1 -7x = 0 + -1 Combine like terms: 0 + -1 = -1 -7x = -1 Divide each side by '-7'. x = 0.1428571429 Simplifying x = 0.1428571429

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {0.1428571429, -1}

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