(x)(x+8)=425

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Solution for (x)(x+8)=425 equation:


Simplifying
(x)(x + 8) = 425

Reorder the terms:
x(8 + x) = 425
(8 * x + x * x) = 425
(8x + x2) = 425

Solving
8x + x2 = 425

Solving for variable 'x'.

Reorder the terms:
-425 + 8x + x2 = 425 + -425

Combine like terms: 425 + -425 = 0
-425 + 8x + x2 = 0

Factor a trinomial.
(-25 + -1x)(17 + -1x) = 0

Subproblem 1

Set the factor '(-25 + -1x)' equal to zero and attempt to solve: Simplifying -25 + -1x = 0 Solving -25 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + -1x = 0 + 25 Combine like terms: -25 + 25 = 0 0 + -1x = 0 + 25 -1x = 0 + 25 Combine like terms: 0 + 25 = 25 -1x = 25 Divide each side by '-1'. x = -25 Simplifying x = -25

Subproblem 2

Set the factor '(17 + -1x)' equal to zero and attempt to solve: Simplifying 17 + -1x = 0 Solving 17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1x = 0 + -17 -1x = 0 + -17 Combine like terms: 0 + -17 = -17 -1x = -17 Divide each side by '-1'. x = 17 Simplifying x = 17

Solution

x = {-25, 17}

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