(x-4)(x+6)=11

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Solution for (x-4)(x+6)=11 equation:


Simplifying
(x + -4)(x + 6) = 11

Reorder the terms:
(-4 + x)(x + 6) = 11

Reorder the terms:
(-4 + x)(6 + x) = 11

Multiply (-4 + x) * (6 + x)
(-4(6 + x) + x(6 + x)) = 11
((6 * -4 + x * -4) + x(6 + x)) = 11
((-24 + -4x) + x(6 + x)) = 11
(-24 + -4x + (6 * x + x * x)) = 11
(-24 + -4x + (6x + x2)) = 11

Combine like terms: -4x + 6x = 2x
(-24 + 2x + x2) = 11

Solving
-24 + 2x + x2 = 11

Solving for variable 'x'.

Reorder the terms:
-24 + -11 + 2x + x2 = 11 + -11

Combine like terms: -24 + -11 = -35
-35 + 2x + x2 = 11 + -11

Combine like terms: 11 + -11 = 0
-35 + 2x + x2 = 0

Factor a trinomial.
(-7 + -1x)(5 + -1x) = 0

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 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 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-7, 5}

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