(v-2)(v+5)=

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Solution for (v-2)(v+5)= equation:


Simplifying
(v + -2)(v + 5) = 0

Reorder the terms:
(-2 + v)(v + 5) = 0

Reorder the terms:
(-2 + v)(5 + v) = 0

Multiply (-2 + v) * (5 + v)
(-2(5 + v) + v(5 + v)) = 0
((5 * -2 + v * -2) + v(5 + v)) = 0
((-10 + -2v) + v(5 + v)) = 0
(-10 + -2v + (5 * v + v * v)) = 0
(-10 + -2v + (5v + v2)) = 0

Combine like terms: -2v + 5v = 3v
(-10 + 3v + v2) = 0

Solving
-10 + 3v + v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-5 + -1v)(2 + -1v) = 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 '(2 + -1v)' equal to zero and attempt to solve: Simplifying 2 + -1v = 0 Solving 2 + -1v = 0 Move all terms containing v to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1v = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1v = 0 + -2 -1v = 0 + -2 Combine like terms: 0 + -2 = -2 -1v = -2 Divide each side by '-1'. v = 2 Simplifying v = 2

Solution

v = {-5, 2}

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