2x^2-18x=-5x^2-9x-2

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Solution for 2x^2-18x=-5x^2-9x-2 equation:


Simplifying
2x2 + -18x = -5x2 + -9x + -2

Reorder the terms:
-18x + 2x2 = -5x2 + -9x + -2

Reorder the terms:
-18x + 2x2 = -2 + -9x + -5x2

Solving
-18x + 2x2 = -2 + -9x + -5x2

Solving for variable 'x'.

Reorder the terms:
2 + -18x + 9x + 2x2 + 5x2 = -2 + -9x + -5x2 + 2 + 9x + 5x2

Combine like terms: -18x + 9x = -9x
2 + -9x + 2x2 + 5x2 = -2 + -9x + -5x2 + 2 + 9x + 5x2

Combine like terms: 2x2 + 5x2 = 7x2
2 + -9x + 7x2 = -2 + -9x + -5x2 + 2 + 9x + 5x2

Reorder the terms:
2 + -9x + 7x2 = -2 + 2 + -9x + 9x + -5x2 + 5x2

Combine like terms: -2 + 2 = 0
2 + -9x + 7x2 = 0 + -9x + 9x + -5x2 + 5x2
2 + -9x + 7x2 = -9x + 9x + -5x2 + 5x2

Combine like terms: -9x + 9x = 0
2 + -9x + 7x2 = 0 + -5x2 + 5x2
2 + -9x + 7x2 = -5x2 + 5x2

Combine like terms: -5x2 + 5x2 = 0
2 + -9x + 7x2 = 0

Factor a trinomial.
(2 + -7x)(1 + -1x) = 0

Subproblem 1

Set the factor '(2 + -7x)' equal to zero and attempt to solve: Simplifying 2 + -7x = 0 Solving 2 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -7x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -7x = 0 + -2 -7x = 0 + -2 Combine like terms: 0 + -2 = -2 -7x = -2 Divide each side by '-7'. x = 0.2857142857 Simplifying x = 0.2857142857

Subproblem 2

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

Solution

x = {0.2857142857, 1}

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