2x^2-4x-11=-3x+4

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Solution for 2x^2-4x-11=-3x+4 equation:


Simplifying
2x2 + -4x + -11 = -3x + 4

Reorder the terms:
-11 + -4x + 2x2 = -3x + 4

Reorder the terms:
-11 + -4x + 2x2 = 4 + -3x

Solving
-11 + -4x + 2x2 = 4 + -3x

Solving for variable 'x'.

Reorder the terms:
-11 + -4 + -4x + 3x + 2x2 = 4 + -3x + -4 + 3x

Combine like terms: -11 + -4 = -15
-15 + -4x + 3x + 2x2 = 4 + -3x + -4 + 3x

Combine like terms: -4x + 3x = -1x
-15 + -1x + 2x2 = 4 + -3x + -4 + 3x

Reorder the terms:
-15 + -1x + 2x2 = 4 + -4 + -3x + 3x

Combine like terms: 4 + -4 = 0
-15 + -1x + 2x2 = 0 + -3x + 3x
-15 + -1x + 2x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
-15 + -1x + 2x2 = 0

Factor a trinomial.
(-5 + -2x)(3 + -1x) = 0

Subproblem 1

Set the factor '(-5 + -2x)' equal to zero and attempt to solve: Simplifying -5 + -2x = 0 Solving -5 + -2x = 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 + -2x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -2x = 0 + 5 -2x = 0 + 5 Combine like terms: 0 + 5 = 5 -2x = 5 Divide each side by '-2'. x = -2.5 Simplifying x = -2.5

Subproblem 2

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 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 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {-2.5, 3}

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