4x^2-14=-x

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Solution for 4x^2-14=-x equation:


Simplifying
4x2 + -14 = -1x

Reorder the terms:
-14 + 4x2 = -1x

Solving
-14 + 4x2 = -1x

Solving for variable 'x'.

Reorder the terms:
-14 + x + 4x2 = -1x + x

Combine like terms: -1x + x = 0
-14 + x + 4x2 = 0

Factor a trinomial.
(-2 + -1x)(7 + -4x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -4x)' equal to zero and attempt to solve: Simplifying 7 + -4x = 0 Solving 7 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4x = 0 + -7 -4x = 0 + -7 Combine like terms: 0 + -7 = -7 -4x = -7 Divide each side by '-4'. x = 1.75 Simplifying x = 1.75

Solution

x = {-2, 1.75}

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