10(2x-5)(5x+3)=0

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Solution for 10(2x-5)(5x+3)=0 equation: 


Simplifying
10(2x + -5)(5x + 3) = 0

Reorder the terms:
10(-5 + 2x)(5x + 3) = 0

Reorder the terms:
10(-5 + 2x)(3 + 5x) = 0

Multiply (-5 + 2x) * (3 + 5x)
10(-5(3 + 5x) + 2x * (3 + 5x)) = 0
10((3 * -5 + 5x * -5) + 2x * (3 + 5x)) = 0
10((-15 + -25x) + 2x * (3 + 5x)) = 0
10(-15 + -25x + (3 * 2x + 5x * 2x)) = 0
10(-15 + -25x + (6x + 10x2)) = 0

Combine like terms: -25x + 6x = -19x
10(-15 + -19x + 10x2) = 0
(-15 * 10 + -19x * 10 + 10x2 * 10) = 0
(-150 + -190x + 100x2) = 0

Solving
-150 + -190x + 100x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '10'.
10(-15 + -19x + 10x2) = 0

Factor a trinomial.
10((-3 + -5x)(5 + -2x)) = 0

Ignore the factor 10.

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 '(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
Solution
x = {-0.6, 2.5}

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