4x^2+6x-11=29-21x

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Solution for 4x^2+6x-11=29-21x equation:


Simplifying
4x2 + 6x + -11 = 29 + -21x

Reorder the terms:
-11 + 6x + 4x2 = 29 + -21x

Solving
-11 + 6x + 4x2 = 29 + -21x

Solving for variable 'x'.

Reorder the terms:
-11 + -29 + 6x + 21x + 4x2 = 29 + -21x + -29 + 21x

Combine like terms: -11 + -29 = -40
-40 + 6x + 21x + 4x2 = 29 + -21x + -29 + 21x

Combine like terms: 6x + 21x = 27x
-40 + 27x + 4x2 = 29 + -21x + -29 + 21x

Reorder the terms:
-40 + 27x + 4x2 = 29 + -29 + -21x + 21x

Combine like terms: 29 + -29 = 0
-40 + 27x + 4x2 = 0 + -21x + 21x
-40 + 27x + 4x2 = -21x + 21x

Combine like terms: -21x + 21x = 0
-40 + 27x + 4x2 = 0

Factor a trinomial.
(-8 + -1x)(5 + -4x) = 0

Subproblem 1

Set the factor '(-8 + -1x)' equal to zero and attempt to solve: Simplifying -8 + -1x = 0 Solving -8 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + -1x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1x = 0 + 8 -1x = 0 + 8 Combine like terms: 0 + 8 = 8 -1x = 8 Divide each side by '-1'. x = -8 Simplifying x = -8

Subproblem 2

Set the factor '(5 + -4x)' equal to zero and attempt to solve: Simplifying 5 + -4x = 0 Solving 5 + -4x = 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 + -4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4x = 0 + -5 -4x = 0 + -5 Combine like terms: 0 + -5 = -5 -4x = -5 Divide each side by '-4'. x = 1.25 Simplifying x = 1.25

Solution

x = {-8, 1.25}

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