=49-25v^2

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Solution for =49-25v^2 equation: 


Simplifying
0 = 49 + -25v2

Solving
0 = 49 + -25v2

Solving for variable 'v'.

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

Add '25v2' to each side of the equation.
0 + 25v2 = 49 + -25v2 + 25v2
Remove the zero:
25v2 = 49 + -25v2 + 25v2

Combine like terms: -25v2 + 25v2 = 0
25v2 = 49 + 0
25v2 = 49

Divide each side by '25'.
v2 = 1.96

Simplifying
v2 = 1.96

Take the square root of each side:
v = {-1.4, 1.4}

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