x(x+1)-10(x+1)=

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Solution for x(x+1)-10(x+1)= equation:


Simplifying
x(x + 1) + -10(x + 1) = 0

Reorder the terms:
x(1 + x) + -10(x + 1) = 0
(1 * x + x * x) + -10(x + 1) = 0
(1x + x2) + -10(x + 1) = 0

Reorder the terms:
1x + x2 + -10(1 + x) = 0
1x + x2 + (1 * -10 + x * -10) = 0
1x + x2 + (-10 + -10x) = 0

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

Combine like terms: 1x + -10x = -9x
-10 + -9x + x2 = 0

Solving
-10 + -9x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-1 + -1x)(10 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-1, 10}

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