3w^2-6w=189

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Solution for 3w^2-6w=189 equation:


Simplifying
3w2 + -6w = 189

Reorder the terms:
-6w + 3w2 = 189

Solving
-6w + 3w2 = 189

Solving for variable 'w'.

Reorder the terms:
-189 + -6w + 3w2 = 189 + -189

Combine like terms: 189 + -189 = 0
-189 + -6w + 3w2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-63 + -2w + w2) = 0

Factor a trinomial.
3((-7 + -1w)(9 + -1w)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-7 + -1w)' equal to zero and attempt to solve: Simplifying -7 + -1w = 0 Solving -7 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1w = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1w = 0 + 7 -1w = 0 + 7 Combine like terms: 0 + 7 = 7 -1w = 7 Divide each side by '-1'. w = -7 Simplifying w = -7

Subproblem 2

Set the factor '(9 + -1w)' equal to zero and attempt to solve: Simplifying 9 + -1w = 0 Solving 9 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1w = 0 + -9 -1w = 0 + -9 Combine like terms: 0 + -9 = -9 -1w = -9 Divide each side by '-1'. w = 9 Simplifying w = 9

Solution

w = {-7, 9}

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