5x^2=12-7x

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Solution for 5x^2=12-7x equation:


Simplifying
5x2 = 12 + -7x

Solving
5x2 = 12 + -7x

Solving for variable 'x'.

Reorder the terms:
-12 + 7x + 5x2 = 12 + -7x + -12 + 7x

Reorder the terms:
-12 + 7x + 5x2 = 12 + -12 + -7x + 7x

Combine like terms: 12 + -12 = 0
-12 + 7x + 5x2 = 0 + -7x + 7x
-12 + 7x + 5x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
-12 + 7x + 5x2 = 0

Factor a trinomial.
(-12 + -5x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-12 + -5x)' equal to zero and attempt to solve: Simplifying -12 + -5x = 0 Solving -12 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -5x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -5x = 0 + 12 -5x = 0 + 12 Combine like terms: 0 + 12 = 12 -5x = 12 Divide each side by '-5'. x = -2.4 Simplifying x = -2.4

Subproblem 2

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

Solution

x = {-2.4, 1}

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