4v^2-7v-28v+49=

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Solution for 4v^2-7v-28v+49= equation:


Simplifying
4v2 + -7v + -28v + 49 = 0

Reorder the terms:
49 + -7v + -28v + 4v2 = 0

Combine like terms: -7v + -28v = -35v
49 + -35v + 4v2 = 0

Solving
49 + -35v + 4v2 = 0

Solving for variable 'v'.

Factor a trinomial.
(7 + -4v)(7 + -1v) = 0

Subproblem 1

Set the factor '(7 + -4v)' equal to zero and attempt to solve: Simplifying 7 + -4v = 0 Solving 7 + -4v = 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 + -4v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4v = 0 + -7 -4v = 0 + -7 Combine like terms: 0 + -7 = -7 -4v = -7 Divide each side by '-4'. v = 1.75 Simplifying v = 1.75

Subproblem 2

Set the factor '(7 + -1v)' equal to zero and attempt to solve: Simplifying 7 + -1v = 0 Solving 7 + -1v = 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 + -1v = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1v = 0 + -7 -1v = 0 + -7 Combine like terms: 0 + -7 = -7 -1v = -7 Divide each side by '-1'. v = 7 Simplifying v = 7

Solution

v = {1.75, 7}

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