4b^2-9d^2=0

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Solution for 4b^2-9d^2=0 equation: 


Simplifying
4b2 + -9d2 = 0

Solving
4b2 + -9d2 = 0

Solving for variable 'b'.

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

Add '9d2' to each side of the equation.
4b2 + -9d2 + 9d2 = 0 + 9d2

Combine like terms: -9d2 + 9d2 = 0
4b2 + 0 = 0 + 9d2
4b2 = 0 + 9d2
Remove the zero:
4b2 = 9d2

Divide each side by '4'.
b2 = 2.25d2

Simplifying
b2 = 2.25d2

Take the square root of each side:
b = {-1.5d, 1.5d}

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