(10v+7)(3v-7)=0

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Solution for (10v+7)(3v-7)=0 equation:


Simplifying
(10v + 7)(3v + -7) = 0

Reorder the terms:
(7 + 10v)(3v + -7) = 0

Reorder the terms:
(7 + 10v)(-7 + 3v) = 0

Multiply (7 + 10v) * (-7 + 3v)
(7(-7 + 3v) + 10v * (-7 + 3v)) = 0
((-7 * 7 + 3v * 7) + 10v * (-7 + 3v)) = 0
((-49 + 21v) + 10v * (-7 + 3v)) = 0
(-49 + 21v + (-7 * 10v + 3v * 10v)) = 0
(-49 + 21v + (-70v + 30v2)) = 0

Combine like terms: 21v + -70v = -49v
(-49 + -49v + 30v2) = 0

Solving
-49 + -49v + 30v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(-7 + -10v)(7 + -3v) = 0

Subproblem 1

Set the factor '(-7 + -10v)' equal to zero and attempt to solve: Simplifying -7 + -10v = 0 Solving -7 + -10v = 0 Move all terms containing v to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -10v = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -10v = 0 + 7 -10v = 0 + 7 Combine like terms: 0 + 7 = 7 -10v = 7 Divide each side by '-10'. v = -0.7 Simplifying v = -0.7

Subproblem 2

Set the factor '(7 + -3v)' equal to zero and attempt to solve: Simplifying 7 + -3v = 0 Solving 7 + -3v = 0 Move all terms containing v to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -3v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -3v = 0 + -7 -3v = 0 + -7 Combine like terms: 0 + -7 = -7 -3v = -7 Divide each side by '-3'. v = 2.333333333 Simplifying v = 2.333333333

Solution

v = {-0.7, 2.333333333}

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