If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
49x2 + -81y2 = 0
Solving
49x2 + -81y2 = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '81y2' to each side of the equation.
49x2 + -81y2 + 81y2 = 0 + 81y2
Combine like terms: -81y2 + 81y2 = 0
49x2 + 0 = 0 + 81y2
49x2 = 0 + 81y2
Remove the zero:
49x2 = 81y2
Divide each side by '49'.
x2 = 1.653061224y2
Simplifying
x2 = 1.653061224y2
Take the square root of each side:
x = {-1.285714286y, 1.285714286y}
| K^2-4K-8=0I | | 2178=132y-2y^2 | | 8(8-k)=2(k-5) | | .59=log(x) | | x+4(-4)=-20 | | 5x-3y-x+4y= | | 5.4+1.2n=2.76 | | 9a+7b= | | 972=3x*x | | 10.080/124.64 | | 72-9n=15n | | xy+xz=25 | | 15x^2+1x-2=740 | | 6(x+5)=16x-3 | | -2*(-2-2a)-1=3a-4 | | 3x^4-36x^3+17=y | | y-5=1/3(x-9) | | ln5/9 | | 16x^2-26x+10=0 | | e^1-5x=25 | | -34.4x=177 | | 120+x*0.01=0.02 | | 1.5(y-4)=9.3-y | | ln(x+6)=ln(x-4) | | 5x+6y=196 | | 6x+17=10x+5 | | 3+4a=2a-9 | | 9.5j+-6+5.5j=3(5j-2) | | 9.5j-6+5.5j=3(5j+-2) | | 9m+2n-4m+8n= | | -9x+6=-18+3y | | 0.2x+20= |