w(w-4)=w^2+20

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Solution for w(w-4)=w^2+20 equation:


Simplifying
w(w + -4) = w2 + 20

Reorder the terms:
w(-4 + w) = w2 + 20
(-4 * w + w * w) = w2 + 20
(-4w + w2) = w2 + 20

Reorder the terms:
-4w + w2 = 20 + w2

Add '-1w2' to each side of the equation.
-4w + w2 + -1w2 = 20 + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-4w + 0 = 20 + w2 + -1w2
-4w = 20 + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-4w = 20 + 0
-4w = 20

Solving
-4w = 20

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Divide each side by '-4'.
w = -5

Simplifying
w = -5

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