(2x+7)(x-3)(1235x)=0

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Solution for (2x+7)(x-3)(1235x)=0 equation: 


Simplifying
(2x + 7)(x + -3)(1235x) = 0

Reorder the terms:
(7 + 2x)(x + -3)(1235x) = 0

Reorder the terms:
(7 + 2x)(-3 + x)(1235x) = 0

Remove parenthesis around (1235x)
(7 + 2x)(-3 + x) * 1235x = 0

Reorder the terms for easier multiplication:
1235x(7 + 2x)(-3 + x) = 0

Multiply (7 + 2x) * (-3 + x)
1235x(7(-3 + x) + 2x * (-3 + x)) = 0
1235x((-3 * 7 + x * 7) + 2x * (-3 + x)) = 0
1235x((-21 + 7x) + 2x * (-3 + x)) = 0
1235x(-21 + 7x + (-3 * 2x + x * 2x)) = 0
1235x(-21 + 7x + (-6x + 2x2)) = 0

Combine like terms: 7x + -6x = 1x
1235x(-21 + 1x + 2x2) = 0
(-21 * 1235x + 1x * 1235x + 2x2 * 1235x) = 0
(-25935x + 1235x2 + 2470x3) = 0

Solving
-25935x + 1235x2 + 2470x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '1235x'.
1235x(-21 + x + 2x2) = 0

Factor a trinomial.
1235x((-7 + -2x)(3 + -1x)) = 0

Ignore the factor 1235.

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 + -2x)' equal to zero and attempt to solve:

Simplifying
-7 + -2x = 0

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

Combine like terms: -7 + 7 = 0
0 + -2x = 0 + 7
-2x = 0 + 7

Combine like terms: 0 + 7 = 7
-2x = 7

Divide each side by '-2'.
x = -3.5

Simplifying
x = -3.5

Subproblem 3
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
Solution
x = {0, -3.5, 3}

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