x(5x-3)(x+7)=

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Solution for x(5x-3)(x+7)= equation: 


Simplifying
x(5x + -3)(x + 7) = 0

Reorder the terms:
x(-3 + 5x)(x + 7) = 0

Reorder the terms:
x(-3 + 5x)(7 + x) = 0

Multiply (-3 + 5x) * (7 + x)
x(-3(7 + x) + 5x * (7 + x)) = 0
x((7 * -3 + x * -3) + 5x * (7 + x)) = 0
x((-21 + -3x) + 5x * (7 + x)) = 0
x(-21 + -3x + (7 * 5x + x * 5x)) = 0
x(-21 + -3x + (35x + 5x2)) = 0

Combine like terms: -3x + 35x = 32x
x(-21 + 32x + 5x2) = 0
(-21 * x + 32x * x + 5x2 * x) = 0
(-21x + 32x2 + 5x3) = 0

Solving
-21x + 32x2 + 5x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-21 + 32x + 5x2) = 0

Factor a trinomial.
x((-7 + -1x)(3 + -5x)) = 0


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 + -1x)' equal to zero and attempt to solve:

Simplifying
-7 + -1x = 0

Solving
-7 + -1x = 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 + -1x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x = 0 + 7
-1x = 0 + 7

Combine like terms: 0 + 7 = 7
-1x = 7

Divide each side by '-1'.
x = -7

Simplifying
x = -7

Subproblem 3
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
Solution
x = {0, -7, 0.6}

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