(x-6)(2x+5)=0

Solution for (x-6)(2x+5)=0 equation:

Simplifying
(x + -6)(2x + 5) = 0

Reorder the terms:
(-6 + x)(2x + 5) = 0

Reorder the terms:
(-6 + x)(5 + 2x) = 0

Multiply (-6 + x) * (5 + 2x)
(-6(5 + 2x) + x(5 + 2x)) = 0
((5 * -6 + 2x * -6) + x(5 + 2x)) = 0
((-30 + -12x) + x(5 + 2x)) = 0
(-30 + -12x + (5 * x + 2x * x)) = 0
(-30 + -12x + (5x + 2x2)) = 0

Combine like terms: -12x + 5x = -7x
(-30 + -7x + 2x2) = 0

Solving
-30 + -7x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-5 + -2x)(6 + -1x) = 0

Subproblem 1
Set the factor '(-5 + -2x)' equal to zero and attempt to solve:

Simplifying
-5 + -2x = 0

Solving
-5 + -2x = 0

Move all terms containing x to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + -2x = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2x = 0 + 5
-2x = 0 + 5

Combine like terms: 0 + 5 = 5
-2x = 5

Divide each side by '-2'.
x = -2.5

Simplifying
x = -2.5
Subproblem 2
Set the factor '(6 + -1x)' equal to zero and attempt to solve:

Simplifying
6 + -1x = 0

Solving
6 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-6' to each side of the equation.
6 + -6 + -1x = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = 0 + -6
-1x = 0 + -6

Combine like terms: 0 + -6 = -6
-1x = -6

Divide each side by '-1'.
x = 6

Simplifying
x = 6
Solution
x = {-2.5, 6}