x(7x+5)=2x^2-22x+18

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Solution for x(7x+5)=2x^2-22x+18 equation:


Simplifying
x(7x + 5) = 2x2 + -22x + 18

Reorder the terms:
x(5 + 7x) = 2x2 + -22x + 18
(5 * x + 7x * x) = 2x2 + -22x + 18
(5x + 7x2) = 2x2 + -22x + 18

Reorder the terms:
5x + 7x2 = 18 + -22x + 2x2

Solving
5x + 7x2 = 18 + -22x + 2x2

Solving for variable 'x'.

Reorder the terms:
-18 + 5x + 22x + 7x2 + -2x2 = 18 + -22x + 2x2 + -18 + 22x + -2x2

Combine like terms: 5x + 22x = 27x
-18 + 27x + 7x2 + -2x2 = 18 + -22x + 2x2 + -18 + 22x + -2x2

Combine like terms: 7x2 + -2x2 = 5x2
-18 + 27x + 5x2 = 18 + -22x + 2x2 + -18 + 22x + -2x2

Reorder the terms:
-18 + 27x + 5x2 = 18 + -18 + -22x + 22x + 2x2 + -2x2

Combine like terms: 18 + -18 = 0
-18 + 27x + 5x2 = 0 + -22x + 22x + 2x2 + -2x2
-18 + 27x + 5x2 = -22x + 22x + 2x2 + -2x2

Combine like terms: -22x + 22x = 0
-18 + 27x + 5x2 = 0 + 2x2 + -2x2
-18 + 27x + 5x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-18 + 27x + 5x2 = 0

Factor a trinomial.
(-6 + -1x)(3 + -5x) = 0

Subproblem 1

Set the factor '(-6 + -1x)' equal to zero and attempt to solve: Simplifying -6 + -1x = 0 Solving -6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1x = 0 + 6 -1x = 0 + 6 Combine like terms: 0 + 6 = 6 -1x = 6 Divide each side by '-1'. x = -6 Simplifying x = -6

Subproblem 2

Set the factor '(3 + -5x)' equal to zero and attempt to solve: Simplifying 3 + -5x = 0 Solving 3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -5x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -5x = 0 + -3 -5x = 0 + -3 Combine like terms: 0 + -3 = -3 -5x = -3 Divide each side by '-5'. x = 0.6 Simplifying x = 0.6

Solution

x = {-6, 0.6}

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