7v^2+26v-45=0

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Solution for 7v^2+26v-45=0 equation:


Simplifying
7v2 + 26v + -45 = 0

Reorder the terms:
-45 + 26v + 7v2 = 0

Solving
-45 + 26v + 7v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-5 + -1v)(9 + -7v) = 0

Subproblem 1

Set the factor '(-5 + -1v)' equal to zero and attempt to solve: Simplifying -5 + -1v = 0 Solving -5 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1v = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1v = 0 + 5 -1v = 0 + 5 Combine like terms: 0 + 5 = 5 -1v = 5 Divide each side by '-1'. v = -5 Simplifying v = -5

Subproblem 2

Set the factor '(9 + -7v)' equal to zero and attempt to solve: Simplifying 9 + -7v = 0 Solving 9 + -7v = 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 + -7v = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -7v = 0 + -9 -7v = 0 + -9 Combine like terms: 0 + -9 = -9 -7v = -9 Divide each side by '-7'. v = 1.285714286 Simplifying v = 1.285714286

Solution

v = {-5, 1.285714286}

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