(4v-1)(5v+3)=

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Solution for (4v-1)(5v+3)= equation:


Simplifying
(4v + -1)(5v + 3) = 0

Reorder the terms:
(-1 + 4v)(5v + 3) = 0

Reorder the terms:
(-1 + 4v)(3 + 5v) = 0

Multiply (-1 + 4v) * (3 + 5v)
(-1(3 + 5v) + 4v * (3 + 5v)) = 0
((3 * -1 + 5v * -1) + 4v * (3 + 5v)) = 0
((-3 + -5v) + 4v * (3 + 5v)) = 0
(-3 + -5v + (3 * 4v + 5v * 4v)) = 0
(-3 + -5v + (12v + 20v2)) = 0

Combine like terms: -5v + 12v = 7v
(-3 + 7v + 20v2) = 0

Solving
-3 + 7v + 20v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-3 + -5v)(1 + -4v) = 0

Subproblem 1

Set the factor '(-3 + -5v)' equal to zero and attempt to solve: Simplifying -3 + -5v = 0 Solving -3 + -5v = 0 Move all terms containing v to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5v = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5v = 0 + 3 -5v = 0 + 3 Combine like terms: 0 + 3 = 3 -5v = 3 Divide each side by '-5'. v = -0.6 Simplifying v = -0.6

Subproblem 2

Set the factor '(1 + -4v)' equal to zero and attempt to solve: Simplifying 1 + -4v = 0 Solving 1 + -4v = 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 + -4v = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -4v = 0 + -1 -4v = 0 + -1 Combine like terms: 0 + -1 = -1 -4v = -1 Divide each side by '-4'. v = 0.25 Simplifying v = 0.25

Solution

v = {-0.6, 0.25}

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