2x^2+9=11x+4

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Solution for 2x^2+9=11x+4 equation:


Simplifying
2x2 + 9 = 11x + 4

Reorder the terms:
9 + 2x2 = 11x + 4

Reorder the terms:
9 + 2x2 = 4 + 11x

Solving
9 + 2x2 = 4 + 11x

Solving for variable 'x'.

Reorder the terms:
9 + -4 + -11x + 2x2 = 4 + 11x + -4 + -11x

Combine like terms: 9 + -4 = 5
5 + -11x + 2x2 = 4 + 11x + -4 + -11x

Reorder the terms:
5 + -11x + 2x2 = 4 + -4 + 11x + -11x

Combine like terms: 4 + -4 = 0
5 + -11x + 2x2 = 0 + 11x + -11x
5 + -11x + 2x2 = 11x + -11x

Combine like terms: 11x + -11x = 0
5 + -11x + 2x2 = 0

Factor a trinomial.
(1 + -2x)(5 + -1x) = 0

Subproblem 1

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 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 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {0.5, 5}

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