3w*w-7w=180

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Solution for 3w*w-7w=180 equation:


Simplifying
3w * w + -7w = 180

Multiply w * w
3w2 + -7w = 180

Reorder the terms:
-7w + 3w2 = 180

Solving
-7w + 3w2 = 180

Solving for variable 'w'.

Reorder the terms:
-180 + -7w + 3w2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + -7w + 3w2 = 0

Factor a trinomial.
(-20 + -3w)(9 + -1w) = 0

Subproblem 1

Set the factor '(-20 + -3w)' equal to zero and attempt to solve: Simplifying -20 + -3w = 0 Solving -20 + -3w = 0 Move all terms containing w to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -3w = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -3w = 0 + 20 -3w = 0 + 20 Combine like terms: 0 + 20 = 20 -3w = 20 Divide each side by '-3'. w = -6.666666667 Simplifying w = -6.666666667

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 = {-6.666666667, 9}

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