3x(7x-4)=

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Solution for 3x(7x-4)= equation: 


Simplifying
3x(7x + -4) = 0

Reorder the terms:
3x(-4 + 7x) = 0
(-4 * 3x + 7x * 3x) = 0
(-12x + 21x2) = 0

Solving
-12x + 21x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-4 + 7x) = 0

Ignore the factor 3.

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 '(-4 + 7x)' equal to zero and attempt to solve:

Simplifying
-4 + 7x = 0

Solving
-4 + 7x = 0

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

Add '4' to each side of the equation.
-4 + 4 + 7x = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 7x = 0 + 4
7x = 0 + 4

Combine like terms: 0 + 4 = 4
7x = 4

Divide each side by '7'.
x = 0.5714285714

Simplifying
x = 0.5714285714
Solution
x = {0, 0.5714285714}

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