(w+1)(w-4)=w^2+9w+17

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Solution for (w+1)(w-4)=w^2+9w+17 equation:


Simplifying
(w + 1)(w + -4) = w2 + 9w + 17

Reorder the terms:
(1 + w)(w + -4) = w2 + 9w + 17

Reorder the terms:
(1 + w)(-4 + w) = w2 + 9w + 17

Multiply (1 + w) * (-4 + w)
(1(-4 + w) + w(-4 + w)) = w2 + 9w + 17
((-4 * 1 + w * 1) + w(-4 + w)) = w2 + 9w + 17
((-4 + 1w) + w(-4 + w)) = w2 + 9w + 17
(-4 + 1w + (-4 * w + w * w)) = w2 + 9w + 17
(-4 + 1w + (-4w + w2)) = w2 + 9w + 17

Combine like terms: 1w + -4w = -3w
(-4 + -3w + w2) = w2 + 9w + 17

Reorder the terms:
-4 + -3w + w2 = 17 + 9w + w2

Add '-1w2' to each side of the equation.
-4 + -3w + w2 + -1w2 = 17 + 9w + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-4 + -3w + 0 = 17 + 9w + w2 + -1w2
-4 + -3w = 17 + 9w + w2 + -1w2

Combine like terms: w2 + -1w2 = 0
-4 + -3w = 17 + 9w + 0
-4 + -3w = 17 + 9w

Solving
-4 + -3w = 17 + 9w

Solving for variable 'w'.

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

Add '-9w' to each side of the equation.
-4 + -3w + -9w = 17 + 9w + -9w

Combine like terms: -3w + -9w = -12w
-4 + -12w = 17 + 9w + -9w

Combine like terms: 9w + -9w = 0
-4 + -12w = 17 + 0
-4 + -12w = 17

Add '4' to each side of the equation.
-4 + 4 + -12w = 17 + 4

Combine like terms: -4 + 4 = 0
0 + -12w = 17 + 4
-12w = 17 + 4

Combine like terms: 17 + 4 = 21
-12w = 21

Divide each side by '-12'.
w = -1.75

Simplifying
w = -1.75

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