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Simplifying
81x2 + -196y2 = 0
Solving
81x2 + -196y2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '196y2' to each side of the equation.
81x2 + -196y2 + 196y2 = 0 + 196y2
Combine like terms: -196y2 + 196y2 = 0
81x2 + 0 = 0 + 196y2
81x2 = 0 + 196y2
Remove the zero:
81x2 = 196y2
Divide each side by '81'.
x2 = 2.419753086y2
Simplifying
x2 = 2.419753086y2
Take the square root of each side:
x = {-1.555555555y, 1.555555555y}
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