-28x^2=4x

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Solution for -28x^2=4x equation:


Simplifying
-28x2 = 4x

Solving
-28x2 = 4x

Solving for variable 'x'.

Reorder the terms:
-4x + -28x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
-4x + -28x2 = 0

Factor out the Greatest Common Factor (GCF), '-4x'.
-4x(1 + 7x) = 0

Ignore the factor -4.

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 '(1 + 7x)' equal to zero and attempt to solve: Simplifying 1 + 7x = 0 Solving 1 + 7x = 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 + 7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7x = 0 + -1 7x = 0 + -1 Combine like terms: 0 + -1 = -1 7x = -1 Divide each side by '7'. x = -0.1428571429 Simplifying x = -0.1428571429

Solution

x = {0, -0.1428571429}

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