4x^2+8x-10=11

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Solution for 4x^2+8x-10=11 equation:


Simplifying
4x2 + 8x + -10 = 11

Reorder the terms:
-10 + 8x + 4x2 = 11

Solving
-10 + 8x + 4x2 = 11

Solving for variable 'x'.

Reorder the terms:
-10 + -11 + 8x + 4x2 = 11 + -11

Combine like terms: -10 + -11 = -21
-21 + 8x + 4x2 = 11 + -11

Combine like terms: 11 + -11 = 0
-21 + 8x + 4x2 = 0

Factor a trinomial.
(-7 + -2x)(3 + -2x) = 0

Subproblem 1

Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 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 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5

Subproblem 2

Set the factor '(3 + -2x)' equal to zero and attempt to solve: Simplifying 3 + -2x = 0 Solving 3 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2x = 0 + -3 -2x = 0 + -3 Combine like terms: 0 + -3 = -3 -2x = -3 Divide each side by '-2'. x = 1.5 Simplifying x = 1.5

Solution

x = {-3.5, 1.5}

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