4x^2-36y^2=0

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Solution for 4x^2-36y^2=0 equation: 


Simplifying
4x2 + -36y2 = 0

Solving
4x2 + -36y2 = 0

Solving for variable 'x'.

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

Add '36y2' to each side of the equation.
4x2 + -36y2 + 36y2 = 0 + 36y2

Combine like terms: -36y2 + 36y2 = 0
4x2 + 0 = 0 + 36y2
4x2 = 0 + 36y2
Remove the zero:
4x2 = 36y2

Divide each side by '4'.
x2 = 9y2

Simplifying
x2 = 9y2

Take the square root of each side:
x = {-3y, 3y}

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