4v^2-10v-80=4

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Solution for 4v^2-10v-80=4 equation:


Simplifying
4v2 + -10v + -80 = 4

Reorder the terms:
-80 + -10v + 4v2 = 4

Solving
-80 + -10v + 4v2 = 4

Solving for variable 'v'.

Reorder the terms:
-80 + -4 + -10v + 4v2 = 4 + -4

Combine like terms: -80 + -4 = -84
-84 + -10v + 4v2 = 4 + -4

Combine like terms: 4 + -4 = 0
-84 + -10v + 4v2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-42 + -5v + 2v2) = 0

Factor a trinomial.
2((-7 + -2v)(6 + -1v)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-7 + -2v)' equal to zero and attempt to solve: Simplifying -7 + -2v = 0 Solving -7 + -2v = 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 + -2v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2v = 0 + 7 -2v = 0 + 7 Combine like terms: 0 + 7 = 7 -2v = 7 Divide each side by '-2'. v = -3.5 Simplifying v = -3.5

Subproblem 2

Set the factor '(6 + -1v)' equal to zero and attempt to solve: Simplifying 6 + -1v = 0 Solving 6 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1v = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1v = 0 + -6 -1v = 0 + -6 Combine like terms: 0 + -6 = -6 -1v = -6 Divide each side by '-1'. v = 6 Simplifying v = 6

Solution

v = {-3.5, 6}

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