4(v-7)(-v-3)=0

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Solution for 4(v-7)(-v-3)=0 equation:


Simplifying
4(v + -7)(-1v + -3) = 0

Reorder the terms:
4(-7 + v)(-1v + -3) = 0

Reorder the terms:
4(-7 + v)(-3 + -1v) = 0

Multiply (-7 + v) * (-3 + -1v)
4(-7(-3 + -1v) + v(-3 + -1v)) = 0
4((-3 * -7 + -1v * -7) + v(-3 + -1v)) = 0
4((21 + 7v) + v(-3 + -1v)) = 0
4(21 + 7v + (-3 * v + -1v * v)) = 0
4(21 + 7v + (-3v + -1v2)) = 0

Combine like terms: 7v + -3v = 4v
4(21 + 4v + -1v2) = 0
(21 * 4 + 4v * 4 + -1v2 * 4) = 0
(84 + 16v + -4v2) = 0

Solving
84 + 16v + -4v2 = 0

Solving for variable 'v'.

Factor out the Greatest Common Factor (GCF), '4'.
4(21 + 4v + -1v2) = 0

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

Ignore the factor 4.

Subproblem 1

Set the factor '(7 + -1v)' equal to zero and attempt to solve: Simplifying 7 + -1v = 0 Solving 7 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1v = 0 + -7 -1v = 0 + -7 Combine like terms: 0 + -7 = -7 -1v = -7 Divide each side by '-1'. v = 7 Simplifying v = 7

Subproblem 2

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

Solution

v = {7, -3}

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