4b^2-81t^2=

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Solution for 4b^2-81t^2= equation: 


Simplifying
4b2 + -81t2 = 0

Solving
4b2 + -81t2 = 0

Solving for variable 'b'.

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

Add '81t2' to each side of the equation.
4b2 + -81t2 + 81t2 = 0 + 81t2

Combine like terms: -81t2 + 81t2 = 0
4b2 + 0 = 0 + 81t2
4b2 = 0 + 81t2
Remove the zero:
4b2 = 81t2

Divide each side by '4'.
b2 = 20.25t2

Simplifying
b2 = 20.25t2

Take the square root of each side:
b = {-4.5t, 4.5t}

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