0=4w^2-7w-36

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Solution for 0=4w^2-7w-36 equation:


Simplifying
0 = 4w2 + -7w + -36

Reorder the terms:
0 = -36 + -7w + 4w2

Solving
0 = -36 + -7w + 4w2

Solving for variable 'w'.

Combine like terms: 0 + 36 = 36
36 + 7w + -4w2 = -36 + -7w + 4w2 + 36 + 7w + -4w2

Reorder the terms:
36 + 7w + -4w2 = -36 + 36 + -7w + 7w + 4w2 + -4w2

Combine like terms: -36 + 36 = 0
36 + 7w + -4w2 = 0 + -7w + 7w + 4w2 + -4w2
36 + 7w + -4w2 = -7w + 7w + 4w2 + -4w2

Combine like terms: -7w + 7w = 0
36 + 7w + -4w2 = 0 + 4w2 + -4w2
36 + 7w + -4w2 = 4w2 + -4w2

Combine like terms: 4w2 + -4w2 = 0
36 + 7w + -4w2 = 0

Factor a trinomial.
(4 + -1w)(9 + 4w) = 0

Subproblem 1

Set the factor '(4 + -1w)' equal to zero and attempt to solve: Simplifying 4 + -1w = 0 Solving 4 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1w = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1w = 0 + -4 -1w = 0 + -4 Combine like terms: 0 + -4 = -4 -1w = -4 Divide each side by '-1'. w = 4 Simplifying w = 4

Subproblem 2

Set the factor '(9 + 4w)' equal to zero and attempt to solve: Simplifying 9 + 4w = 0 Solving 9 + 4w = 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 + 4w = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4w = 0 + -9 4w = 0 + -9 Combine like terms: 0 + -9 = -9 4w = -9 Divide each side by '4'. w = -2.25 Simplifying w = -2.25

Solution

w = {4, -2.25}

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