4x^2+20v+21=0

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Solution for 4x^2+20v+21=0 equation:


Simplifying
4x2 + 20v + 21 = 0

Reorder the terms:
21 + 20v + 4x2 = 0

Solving
21 + 20v + 4x2 = 0

Solving for variable 'v'.

Move all terms containing v to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + 20v + -21 + 4x2 = 0 + -21

Reorder the terms:
21 + -21 + 20v + 4x2 = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 20v + 4x2 = 0 + -21
20v + 4x2 = 0 + -21

Combine like terms: 0 + -21 = -21
20v + 4x2 = -21

Add '-4x2' to each side of the equation.
20v + 4x2 + -4x2 = -21 + -4x2

Combine like terms: 4x2 + -4x2 = 0
20v + 0 = -21 + -4x2
20v = -21 + -4x2

Divide each side by '20'.
v = -1.05 + -0.2x2

Simplifying
v = -1.05 + -0.2x2

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