-7X^2+28X=0

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Solution for -7X^2+28X=0 equation:


Simplifying
-7X2 + 28X = 0

Reorder the terms:
28X + -7X2 = 0

Solving
28X + -7X2 = 0

Solving for variable 'X'.

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

Ignore the factor 7.

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 + -1X)' equal to zero and attempt to solve: Simplifying 4 + -1X = 0 Solving 4 + -1X = 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 + -1X = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1X = 0 + -4 -1X = 0 + -4 Combine like terms: 0 + -4 = -4 -1X = -4 Divide each side by '-1'. X = 4 Simplifying X = 4

Solution

X = {0, 4}

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