(x+11)(x-4)=0

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Solution for (x+11)(x-4)=0 equation:


Simplifying
(x + 11)(x + -4) = 0

Reorder the terms:
(11 + x)(x + -4) = 0

Reorder the terms:
(11 + x)(-4 + x) = 0

Multiply (11 + x) * (-4 + x)
(11(-4 + x) + x(-4 + x)) = 0
((-4 * 11 + x * 11) + x(-4 + x)) = 0
((-44 + 11x) + x(-4 + x)) = 0
(-44 + 11x + (-4 * x + x * x)) = 0
(-44 + 11x + (-4x + x2)) = 0

Combine like terms: 11x + -4x = 7x
(-44 + 7x + x2) = 0

Solving
-44 + 7x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-11 + -1x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-11 + -1x)' equal to zero and attempt to solve: Simplifying -11 + -1x = 0 Solving -11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -1x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -1x = 0 + 11 -1x = 0 + 11 Combine like terms: 0 + 11 = 11 -1x = 11 Divide each side by '-1'. x = -11 Simplifying x = -11

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-11, 4}

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