x(7x+13)=2x^2-11+5

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Solution for x(7x+13)=2x^2-11+5 equation:


Simplifying
x(7x + 13) = 2x2 + -11 + 5

Reorder the terms:
x(13 + 7x) = 2x2 + -11 + 5
(13 * x + 7x * x) = 2x2 + -11 + 5
(13x + 7x2) = 2x2 + -11 + 5

Reorder the terms:
13x + 7x2 = -11 + 5 + 2x2

Combine like terms: -11 + 5 = -6
13x + 7x2 = -6 + 2x2

Solving
13x + 7x2 = -6 + 2x2

Solving for variable 'x'.

Reorder the terms:
6 + 13x + 7x2 + -2x2 = -6 + 2x2 + 6 + -2x2

Combine like terms: 7x2 + -2x2 = 5x2
6 + 13x + 5x2 = -6 + 2x2 + 6 + -2x2

Reorder the terms:
6 + 13x + 5x2 = -6 + 6 + 2x2 + -2x2

Combine like terms: -6 + 6 = 0
6 + 13x + 5x2 = 0 + 2x2 + -2x2
6 + 13x + 5x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
6 + 13x + 5x2 = 0

Factor a trinomial.
(2 + x)(3 + 5x) = 0

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

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 = {-2, -0.6}

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