3x^2-18x+7=7

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Solution for 3x^2-18x+7=7 equation:


Simplifying
3x2 + -18x + 7 = 7

Reorder the terms:
7 + -18x + 3x2 = 7

Add '-7' to each side of the equation.
7 + -18x + -7 + 3x2 = 7 + -7

Reorder the terms:
7 + -7 + -18x + 3x2 = 7 + -7

Combine like terms: 7 + -7 = 0
0 + -18x + 3x2 = 7 + -7
-18x + 3x2 = 7 + -7

Combine like terms: 7 + -7 = 0
-18x + 3x2 = 0

Solving
-18x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-6 + x) = 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 '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Solution

x = {0, 6}

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