9-2b^2=5

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Solution for 9-2b^2=5 equation: 


Simplifying
9 + -2b2 = 5

Solving
9 + -2b2 = 5

Solving for variable 'b'.

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

Add '-9' to each side of the equation.
9 + -9 + -2b2 = 5 + -9

Combine like terms: 9 + -9 = 0
0 + -2b2 = 5 + -9
-2b2 = 5 + -9

Combine like terms: 5 + -9 = -4
-2b2 = -4

Divide each side by '-2'.
b2 = 2

Simplifying
b2 = 2

Take the square root of each side:
b = {-1.414213562, 1.414213562}

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