5x(2x-1)(5x+7)=0

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Solution for 5x(2x-1)(5x+7)=0 equation: 


Simplifying
5x(2x + -1)(5x + 7) = 0

Reorder the terms:
5x(-1 + 2x)(5x + 7) = 0

Reorder the terms:
5x(-1 + 2x)(7 + 5x) = 0

Multiply (-1 + 2x) * (7 + 5x)
5x(-1(7 + 5x) + 2x * (7 + 5x)) = 0
5x((7 * -1 + 5x * -1) + 2x * (7 + 5x)) = 0
5x((-7 + -5x) + 2x * (7 + 5x)) = 0
5x(-7 + -5x + (7 * 2x + 5x * 2x)) = 0
5x(-7 + -5x + (14x + 10x2)) = 0

Combine like terms: -5x + 14x = 9x
5x(-7 + 9x + 10x2) = 0
(-7 * 5x + 9x * 5x + 10x2 * 5x) = 0
(-35x + 45x2 + 50x3) = 0

Solving
-35x + 45x2 + 50x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5x'.
5x(-7 + 9x + 10x2) = 0

Factor a trinomial.
5x((-7 + -5x)(1 + -2x)) = 0

Ignore the factor 5.

Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
Set the factor '(-7 + -5x)' equal to zero and attempt to solve:

Simplifying
-7 + -5x = 0

Solving
-7 + -5x = 0

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

Add '7' to each side of the equation.
-7 + 7 + -5x = 0 + 7

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

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

Divide each side by '-5'.
x = -1.4

Simplifying
x = -1.4

Subproblem 3
Set the factor '(1 + -2x)' equal to zero and attempt to solve:

Simplifying
1 + -2x = 0

Solving
1 + -2x = 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 + -2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = 0 + -1
-2x = 0 + -1

Combine like terms: 0 + -1 = -1
-2x = -1

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5
Solution
x = {0, -1.4, 0.5}

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