(7w+5)(2w-6)=0

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Solution for (7w+5)(2w-6)=0 equation:


Simplifying
(7w + 5)(2w + -6) = 0

Reorder the terms:
(5 + 7w)(2w + -6) = 0

Reorder the terms:
(5 + 7w)(-6 + 2w) = 0

Multiply (5 + 7w) * (-6 + 2w)
(5(-6 + 2w) + 7w * (-6 + 2w)) = 0
((-6 * 5 + 2w * 5) + 7w * (-6 + 2w)) = 0
((-30 + 10w) + 7w * (-6 + 2w)) = 0
(-30 + 10w + (-6 * 7w + 2w * 7w)) = 0
(-30 + 10w + (-42w + 14w2)) = 0

Combine like terms: 10w + -42w = -32w
(-30 + -32w + 14w2) = 0

Solving
-30 + -32w + 14w2 = 0

Solving for variable 'w'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-15 + -16w + 7w2) = 0

Factor a trinomial.
2((-5 + -7w)(3 + -1w)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -7w)' equal to zero and attempt to solve: Simplifying -5 + -7w = 0 Solving -5 + -7w = 0 Move all terms containing w to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -7w = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -7w = 0 + 5 -7w = 0 + 5 Combine like terms: 0 + 5 = 5 -7w = 5 Divide each side by '-7'. w = -0.7142857143 Simplifying w = -0.7142857143

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 = {-0.7142857143, 3}

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