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Simplifying
9x2 + -25y2 = 0
Solving
9x2 + -25y2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '25y2' to each side of the equation.
9x2 + -25y2 + 25y2 = 0 + 25y2
Combine like terms: -25y2 + 25y2 = 0
9x2 + 0 = 0 + 25y2
9x2 = 0 + 25y2
Remove the zero:
9x2 = 25y2
Divide each side by '9'.
x2 = 2.777777778y2
Simplifying
x2 = 2.777777778y2
Take the square root of each side:
x = {-1.666666667y, 1.666666667y}
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