2x^2=22-7x

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Solution for 2x^2=22-7x equation:


Simplifying
2x2 = 22 + -7x

Solving
2x2 = 22 + -7x

Solving for variable 'x'.

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

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

Combine like terms: 22 + -22 = 0
-22 + 7x + 2x2 = 0 + -7x + 7x
-22 + 7x + 2x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
-22 + 7x + 2x2 = 0

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

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

Solution

x = {-5.5, 2}

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