.5(x+7+x-1)*x=1404

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Solution for .5(x+7+x-1)*x=1404 equation:


Simplifying
0.5(x + 7 + x + -1) * x = 1404

Reorder the terms:
0.5(7 + -1 + x + x) * x = 1404

Combine like terms: 7 + -1 = 6
0.5(6 + x + x) * x = 1404

Combine like terms: x + x = 2x
0.5(6 + 2x) * x = 1404

Reorder the terms for easier multiplication:
0.5x(6 + 2x) = 1404
(6 * 0.5x + 2x * 0.5x) = 1404
(3x + 1x2) = 1404

Solving
3x + 1x2 = 1404

Solving for variable 'x'.

Reorder the terms:
-1404 + 3x + 1x2 = 1404 + -1404

Combine like terms: 1404 + -1404 = 0
-1404 + 3x + 1x2 = 0

Factor a trinomial.
(-39 + -1x)(36 + -1x) = 0

Subproblem 1

Set the factor '(-39 + -1x)' equal to zero and attempt to solve: Simplifying -39 + -1x = 0 Solving -39 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '39' to each side of the equation. -39 + 39 + -1x = 0 + 39 Combine like terms: -39 + 39 = 0 0 + -1x = 0 + 39 -1x = 0 + 39 Combine like terms: 0 + 39 = 39 -1x = 39 Divide each side by '-1'. x = -39 Simplifying x = -39

Subproblem 2

Set the factor '(36 + -1x)' equal to zero and attempt to solve: Simplifying 36 + -1x = 0 Solving 36 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + -1x = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -1x = 0 + -36 -1x = 0 + -36 Combine like terms: 0 + -36 = -36 -1x = -36 Divide each side by '-1'. x = 36 Simplifying x = 36

Solution

x = {-39, 36}

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