(2w-7)(2+w)=0

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Solution for (2w-7)(2+w)=0 equation: 


Simplifying
(2w + -7)(2 + w) = 0

Reorder the terms:
(-7 + 2w)(2 + w) = 0

Multiply (-7 + 2w) * (2 + w)
(-7(2 + w) + 2w * (2 + w)) = 0
((2 * -7 + w * -7) + 2w * (2 + w)) = 0
((-14 + -7w) + 2w * (2 + w)) = 0
(-14 + -7w + (2 * 2w + w * 2w)) = 0
(-14 + -7w + (4w + 2w2)) = 0

Combine like terms: -7w + 4w = -3w
(-14 + -3w + 2w2) = 0

Solving
-14 + -3w + 2w2 = 0

Solving for variable 'w'.

Factor a trinomial.
(-2 + -1w)(7 + -2w) = 0


Subproblem 1
Set the factor '(-2 + -1w)' equal to zero and attempt to solve:

Simplifying
-2 + -1w = 0

Solving
-2 + -1w = 0

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

Add '2' to each side of the equation.
-2 + 2 + -1w = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1w = 0 + 2
-1w = 0 + 2

Combine like terms: 0 + 2 = 2
-1w = 2

Divide each side by '-1'.
w = -2

Simplifying
w = -2

Subproblem 2
Set the factor '(7 + -2w)' equal to zero and attempt to solve:

Simplifying
7 + -2w = 0

Solving
7 + -2w = 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 + -2w = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -2w = 0 + -7
-2w = 0 + -7

Combine like terms: 0 + -7 = -7
-2w = -7

Divide each side by '-2'.
w = 3.5

Simplifying
w = 3.5
Solution
w = {-2, 3.5}

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