(7w+3)(4w-12)=0

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Solution for (7w+3)(4w-12)=0 equation:


Simplifying
(7w + 3)(4w + -12) = 0

Reorder the terms:
(3 + 7w)(4w + -12) = 0

Reorder the terms:
(3 + 7w)(-12 + 4w) = 0

Multiply (3 + 7w) * (-12 + 4w)
(3(-12 + 4w) + 7w * (-12 + 4w)) = 0
((-12 * 3 + 4w * 3) + 7w * (-12 + 4w)) = 0
((-36 + 12w) + 7w * (-12 + 4w)) = 0
(-36 + 12w + (-12 * 7w + 4w * 7w)) = 0
(-36 + 12w + (-84w + 28w2)) = 0

Combine like terms: 12w + -84w = -72w
(-36 + -72w + 28w2) = 0

Solving
-36 + -72w + 28w2 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-9 + -18w + 7w2) = 0

Factor a trinomial.
4((-3 + -7w)(3 + -1w)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-3 + -7w)' equal to zero and attempt to solve: Simplifying -3 + -7w = 0 Solving -3 + -7w = 0 Move all terms containing w to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -7w = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -7w = 0 + 3 -7w = 0 + 3 Combine like terms: 0 + 3 = 3 -7w = 3 Divide each side by '-7'. w = -0.4285714286 Simplifying w = -0.4285714286

Subproblem 2

Set the factor '(3 + -1w)' equal to zero and attempt to solve: Simplifying 3 + -1w = 0 Solving 3 + -1w = 0 Move all terms containing w to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1w = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1w = 0 + -3 -1w = 0 + -3 Combine like terms: 0 + -3 = -3 -1w = -3 Divide each side by '-1'. w = 3 Simplifying w = 3

Solution

w = {-0.4285714286, 3}

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