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Simplifying
45x2 + -20y2 = 0
Solving
45x2 + -20y2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '20y2' to each side of the equation.
45x2 + -20y2 + 20y2 = 0 + 20y2
Combine like terms: -20y2 + 20y2 = 0
45x2 + 0 = 0 + 20y2
45x2 = 0 + 20y2
Remove the zero:
45x2 = 20y2
Divide each side by '45'.
x2 = 0.4444444444y2
Simplifying
x2 = 0.4444444444y2
Take the square root of each side:
x = {-0.666666667y, 0.666666667y}
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