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Simplifying
45x2 + -80y2 = 0
Solving
45x2 + -80y2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '80y2' to each side of the equation.
45x2 + -80y2 + 80y2 = 0 + 80y2
Combine like terms: -80y2 + 80y2 = 0
45x2 + 0 = 0 + 80y2
45x2 = 0 + 80y2
Remove the zero:
45x2 = 80y2
Divide each side by '45'.
x2 = 1.777777778y2
Simplifying
x2 = 1.777777778y2
Take the square root of each side:
x = {-1.333333333y, 1.333333333y}
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