0=5x^2-11x-36

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Solution for 0=5x^2-11x-36 equation:


Simplifying
0 = 5x2 + -11x + -36

Reorder the terms:
0 = -36 + -11x + 5x2

Solving
0 = -36 + -11x + 5x2

Solving for variable 'x'.

Combine like terms: 0 + 36 = 36
36 + 11x + -5x2 = -36 + -11x + 5x2 + 36 + 11x + -5x2

Reorder the terms:
36 + 11x + -5x2 = -36 + 36 + -11x + 11x + 5x2 + -5x2

Combine like terms: -36 + 36 = 0
36 + 11x + -5x2 = 0 + -11x + 11x + 5x2 + -5x2
36 + 11x + -5x2 = -11x + 11x + 5x2 + -5x2

Combine like terms: -11x + 11x = 0
36 + 11x + -5x2 = 0 + 5x2 + -5x2
36 + 11x + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
36 + 11x + -5x2 = 0

Factor a trinomial.
(4 + -1x)(9 + 5x) = 0

Subproblem 1

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Subproblem 2

Set the factor '(9 + 5x)' equal to zero and attempt to solve: Simplifying 9 + 5x = 0 Solving 9 + 5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 5x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 5x = 0 + -9 5x = 0 + -9 Combine like terms: 0 + -9 = -9 5x = -9 Divide each side by '5'. x = -1.8 Simplifying x = -1.8

Solution

x = {4, -1.8}

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