v^2+8v-16=-7

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Solution for v^2+8v-16=-7 equation:


Simplifying
v2 + 8v + -16 = -7

Reorder the terms:
-16 + 8v + v2 = -7

Solving
-16 + 8v + v2 = -7

Solving for variable 'v'.

Reorder the terms:
-16 + 7 + 8v + v2 = -7 + 7

Combine like terms: -16 + 7 = -9
-9 + 8v + v2 = -7 + 7

Combine like terms: -7 + 7 = 0
-9 + 8v + v2 = 0

Factor a trinomial.
(-9 + -1v)(1 + -1v) = 0

Subproblem 1

Set the factor '(-9 + -1v)' equal to zero and attempt to solve: Simplifying -9 + -1v = 0 Solving -9 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1v = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1v = 0 + 9 -1v = 0 + 9 Combine like terms: 0 + 9 = 9 -1v = 9 Divide each side by '-1'. v = -9 Simplifying v = -9

Subproblem 2

Set the factor '(1 + -1v)' equal to zero and attempt to solve: Simplifying 1 + -1v = 0 Solving 1 + -1v = 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 + -1v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1v = 0 + -1 -1v = 0 + -1 Combine like terms: 0 + -1 = -1 -1v = -1 Divide each side by '-1'. v = 1 Simplifying v = 1

Solution

v = {-9, 1}

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