4x^2+v+9=0

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Solution for 4x^2+v+9=0 equation:


Simplifying
4x2 + v + 9 = 0

Reorder the terms:
9 + v + 4x2 = 0

Solving
9 + v + 4x2 = 0

Solving for variable 'v'.

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

Add '-9' to each side of the equation.
9 + v + -9 + 4x2 = 0 + -9

Reorder the terms:
9 + -9 + v + 4x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + v + 4x2 = 0 + -9
v + 4x2 = 0 + -9

Combine like terms: 0 + -9 = -9
v + 4x2 = -9

Add '-4x2' to each side of the equation.
v + 4x2 + -4x2 = -9 + -4x2

Combine like terms: 4x2 + -4x2 = 0
v + 0 = -9 + -4x2
v = -9 + -4x2

Simplifying
v = -9 + -4x2

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