(x+4)(x-5)-10=

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Solution for (x+4)(x-5)-10= equation:


Simplifying
(x + 4)(x + -5) + -10 = 0

Reorder the terms:
(4 + x)(x + -5) + -10 = 0

Reorder the terms:
(4 + x)(-5 + x) + -10 = 0

Multiply (4 + x) * (-5 + x)
(4(-5 + x) + x(-5 + x)) + -10 = 0
((-5 * 4 + x * 4) + x(-5 + x)) + -10 = 0
((-20 + 4x) + x(-5 + x)) + -10 = 0
(-20 + 4x + (-5 * x + x * x)) + -10 = 0
(-20 + 4x + (-5x + x2)) + -10 = 0

Combine like terms: 4x + -5x = -1x
(-20 + -1x + x2) + -10 = 0

Reorder the terms:
-20 + -10 + -1x + x2 = 0

Combine like terms: -20 + -10 = -30
-30 + -1x + x2 = 0

Solving
-30 + -1x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -1x)(6 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Solution

x = {-5, 6}

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