2v^2-15v-4=4

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Solution for 2v^2-15v-4=4 equation:


Simplifying
2v2 + -15v + -4 = 4

Reorder the terms:
-4 + -15v + 2v2 = 4

Solving
-4 + -15v + 2v2 = 4

Solving for variable 'v'.

Reorder the terms:
-4 + -4 + -15v + 2v2 = 4 + -4

Combine like terms: -4 + -4 = -8
-8 + -15v + 2v2 = 4 + -4

Combine like terms: 4 + -4 = 0
-8 + -15v + 2v2 = 0

Factor a trinomial.
(-1 + -2v)(8 + -1v) = 0

Subproblem 1

Set the factor '(-1 + -2v)' equal to zero and attempt to solve: Simplifying -1 + -2v = 0 Solving -1 + -2v = 0 Move all terms containing v to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2v = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2v = 0 + 1 -2v = 0 + 1 Combine like terms: 0 + 1 = 1 -2v = 1 Divide each side by '-2'. v = -0.5 Simplifying v = -0.5

Subproblem 2

Set the factor '(8 + -1v)' equal to zero and attempt to solve: Simplifying 8 + -1v = 0 Solving 8 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1v = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1v = 0 + -8 -1v = 0 + -8 Combine like terms: 0 + -8 = -8 -1v = -8 Divide each side by '-1'. v = 8 Simplifying v = 8

Solution

v = {-0.5, 8}

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