x(x+8)=560

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Solution for x(x+8)=560 equation:


Simplifying
x(x + 8) = 560

Reorder the terms:
x(8 + x) = 560
(8 * x + x * x) = 560
(8x + x2) = 560

Solving
8x + x2 = 560

Solving for variable 'x'.

Reorder the terms:
-560 + 8x + x2 = 560 + -560

Combine like terms: 560 + -560 = 0
-560 + 8x + x2 = 0

Factor a trinomial.
(-28 + -1x)(20 + -1x) = 0

Subproblem 1

Set the factor '(-28 + -1x)' equal to zero and attempt to solve: Simplifying -28 + -1x = 0 Solving -28 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '28' to each side of the equation. -28 + 28 + -1x = 0 + 28 Combine like terms: -28 + 28 = 0 0 + -1x = 0 + 28 -1x = 0 + 28 Combine like terms: 0 + 28 = 28 -1x = 28 Divide each side by '-1'. x = -28 Simplifying x = -28

Subproblem 2

Set the factor '(20 + -1x)' equal to zero and attempt to solve: Simplifying 20 + -1x = 0 Solving 20 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-20' to each side of the equation. 20 + -20 + -1x = 0 + -20 Combine like terms: 20 + -20 = 0 0 + -1x = 0 + -20 -1x = 0 + -20 Combine like terms: 0 + -20 = -20 -1x = -20 Divide each side by '-1'. x = 20 Simplifying x = 20

Solution

x = {-28, 20}

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