(w+6)(w-6)-(w-8)(w-6)=

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Solution for (w+6)(w-6)-(w-8)(w-6)= equation:


Simplifying
(w + 6)(w + -6) + -1(w + -8)(w + -6) = 0

Reorder the terms:
(6 + w)(w + -6) + -1(w + -8)(w + -6) = 0

Reorder the terms:
(6 + w)(-6 + w) + -1(w + -8)(w + -6) = 0

Multiply (6 + w) * (-6 + w)
(6(-6 + w) + w(-6 + w)) + -1(w + -8)(w + -6) = 0
((-6 * 6 + w * 6) + w(-6 + w)) + -1(w + -8)(w + -6) = 0
((-36 + 6w) + w(-6 + w)) + -1(w + -8)(w + -6) = 0
(-36 + 6w + (-6 * w + w * w)) + -1(w + -8)(w + -6) = 0
(-36 + 6w + (-6w + w2)) + -1(w + -8)(w + -6) = 0

Combine like terms: 6w + -6w = 0
(-36 + 0 + w2) + -1(w + -8)(w + -6) = 0
(-36 + w2) + -1(w + -8)(w + -6) = 0

Reorder the terms:
-36 + w2 + -1(-8 + w)(w + -6) = 0

Reorder the terms:
-36 + w2 + -1(-8 + w)(-6 + w) = 0

Multiply (-8 + w) * (-6 + w)
-36 + w2 + -1(-8(-6 + w) + w(-6 + w)) = 0
-36 + w2 + -1((-6 * -8 + w * -8) + w(-6 + w)) = 0
-36 + w2 + -1((48 + -8w) + w(-6 + w)) = 0
-36 + w2 + -1(48 + -8w + (-6 * w + w * w)) = 0
-36 + w2 + -1(48 + -8w + (-6w + w2)) = 0

Combine like terms: -8w + -6w = -14w
-36 + w2 + -1(48 + -14w + w2) = 0
-36 + w2 + (48 * -1 + -14w * -1 + w2 * -1) = 0
-36 + w2 + (-48 + 14w + -1w2) = 0

Reorder the terms:
-36 + -48 + 14w + w2 + -1w2 = 0

Combine like terms: -36 + -48 = -84
-84 + 14w + w2 + -1w2 = 0

Combine like terms: w2 + -1w2 = 0
-84 + 14w + 0 = 0
-84 + 14w = 0

Solving
-84 + 14w = 0

Solving for variable 'w'.

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

Add '84' to each side of the equation.
-84 + 84 + 14w = 0 + 84

Combine like terms: -84 + 84 = 0
0 + 14w = 0 + 84
14w = 0 + 84

Combine like terms: 0 + 84 = 84
14w = 84

Divide each side by '14'.
w = 6

Simplifying
w = 6

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