4x^2+18x=22

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Solution for 4x^2+18x=22 equation:


Simplifying
4x2 + 18x = 22

Reorder the terms:
18x + 4x2 = 22

Solving
18x + 4x2 = 22

Solving for variable 'x'.

Reorder the terms:
-22 + 18x + 4x2 = 22 + -22

Combine like terms: 22 + -22 = 0
-22 + 18x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-11 + 9x + 2x2) = 0

Factor a trinomial.
2((-11 + -2x)(1 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-11 + -2x)' equal to zero and attempt to solve: Simplifying -11 + -2x = 0 Solving -11 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -2x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -2x = 0 + 11 -2x = 0 + 11 Combine like terms: 0 + 11 = 11 -2x = 11 Divide each side by '-2'. x = -5.5 Simplifying x = -5.5

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 = {-5.5, 1}

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