x^2+440=42x+8

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Solution for x^2+440=42x+8 equation:


Simplifying
x2 + 440 = 42x + 8

Reorder the terms:
440 + x2 = 42x + 8

Reorder the terms:
440 + x2 = 8 + 42x

Solving
440 + x2 = 8 + 42x

Solving for variable 'x'.

Reorder the terms:
440 + -8 + -42x + x2 = 8 + 42x + -8 + -42x

Combine like terms: 440 + -8 = 432
432 + -42x + x2 = 8 + 42x + -8 + -42x

Reorder the terms:
432 + -42x + x2 = 8 + -8 + 42x + -42x

Combine like terms: 8 + -8 = 0
432 + -42x + x2 = 0 + 42x + -42x
432 + -42x + x2 = 42x + -42x

Combine like terms: 42x + -42x = 0
432 + -42x + x2 = 0

Factor a trinomial.
(18 + -1x)(24 + -1x) = 0

Subproblem 1

Set the factor '(18 + -1x)' equal to zero and attempt to solve: Simplifying 18 + -1x = 0 Solving 18 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1x = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1x = 0 + -18 -1x = 0 + -18 Combine like terms: 0 + -18 = -18 -1x = -18 Divide each side by '-1'. x = 18 Simplifying x = 18

Subproblem 2

Set the factor '(24 + -1x)' equal to zero and attempt to solve: Simplifying 24 + -1x = 0 Solving 24 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-24' to each side of the equation. 24 + -24 + -1x = 0 + -24 Combine like terms: 24 + -24 = 0 0 + -1x = 0 + -24 -1x = 0 + -24 Combine like terms: 0 + -24 = -24 -1x = -24 Divide each side by '-1'. x = 24 Simplifying x = 24

Solution

x = {18, 24}

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