(8+x)(3+x)=234

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Solution for (8+x)(3+x)=234 equation:


Simplifying
(8 + x)(3 + x) = 234

Multiply (8 + x) * (3 + x)
(8(3 + x) + x(3 + x)) = 234
((3 * 8 + x * 8) + x(3 + x)) = 234
((24 + 8x) + x(3 + x)) = 234
(24 + 8x + (3 * x + x * x)) = 234
(24 + 8x + (3x + x2)) = 234

Combine like terms: 8x + 3x = 11x
(24 + 11x + x2) = 234

Solving
24 + 11x + x2 = 234

Solving for variable 'x'.

Reorder the terms:
24 + -234 + 11x + x2 = 234 + -234

Combine like terms: 24 + -234 = -210
-210 + 11x + x2 = 234 + -234

Combine like terms: 234 + -234 = 0
-210 + 11x + x2 = 0

Factor a trinomial.
(-21 + -1x)(10 + -1x) = 0

Subproblem 1

Set the factor '(-21 + -1x)' equal to zero and attempt to solve: Simplifying -21 + -1x = 0 Solving -21 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 21 + -1x = 0 + 21 Combine like terms: -21 + 21 = 0 0 + -1x = 0 + 21 -1x = 0 + 21 Combine like terms: 0 + 21 = 21 -1x = 21 Divide each side by '-1'. x = -21 Simplifying x = -21

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 = {-21, 10}

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