5x^2-8x^2+7x+6=0

Solution for 5x^2-8x^2+7x+6=0 equation:

Simplifying
5x2 + -8x2 + 7x + 6 = 0

Reorder the terms:
6 + 7x + 5x2 + -8x2 = 0

Combine like terms: 5x2 + -8x2 = -3x2
6 + 7x + -3x2 = 0

Solving
6 + 7x + -3x2 = 0

Solving for variable 'x'.

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

Subproblem 1
Set the factor '(3 + -1x)' equal to zero and attempt to solve:

Simplifying
3 + -1x = 0

Solving
3 + -1x = 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 + -1x = 0 + -3

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

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

Divide each side by '-1'.
x = 3

Simplifying
x = 3
Subproblem 2
Set the factor '(2 + 3x)' equal to zero and attempt to solve:

Simplifying
2 + 3x = 0

Solving
2 + 3x = 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 + 3x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3x = 0 + -2
3x = 0 + -2

Combine like terms: 0 + -2 = -2
3x = -2

Divide each side by '3'.
x = -0.6666666667

Simplifying
x = -0.6666666667
Solution
x = {3, -0.6666666667}