5x^2-7x+12=18

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Solution for 5x^2-7x+12=18 equation:


Simplifying
5x2 + -7x + 12 = 18

Reorder the terms:
12 + -7x + 5x2 = 18

Solving
12 + -7x + 5x2 = 18

Solving for variable 'x'.

Reorder the terms:
12 + -18 + -7x + 5x2 = 18 + -18

Combine like terms: 12 + -18 = -6
-6 + -7x + 5x2 = 18 + -18

Combine like terms: 18 + -18 = 0
-6 + -7x + 5x2 = 0

Factor a trinomial.
(-3 + -5x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {-0.6, 2}

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