If it's not what You are looking for type in the equation solver your own equation and let us solve it.
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}
| 9x+5x+3+9=8x+4+5x | | x^2-7x+8x-56=0 | | x^2-3x+10x-30=0 | | xy+9y-6x-54=0 | | 10x+80+9=33-18x | | xy+2y-7x-14=0 | | 8z(10z+1)+(10z+1)=0 | | 3p^2+8-14p=0 | | x(x-7)+(x-7)=0 | | w(w+5)+3(w+5)=0 | | 3r^2-28r-95=0 | | x(x+8)=-105 | | z^2+z-20=0 | | z(z+5)+2(z+5)=0 | | n^2=2n+48 | | 25x^8+15x^7+55x^5=0 | | 15x-2=20x-12 | | 2x^2+8x-322=0 | | 14y^18+12y^11-10y^7=0 | | c=3b+4a | | 5x^6+10x^4+15x^3=0 | | 4x^2+13=-9 | | 12y^2(1-y)= | | 48x^8+8x^6=0 | | 9k^2-8=-103 | | (3p-2)(p-4)=0 | | 3a^2=-5 | | 2x^2+22x+56= | | 5p(3p+12)=0 | | 16x^2=72x-81 | | 9y-27=-2y+b | | I=(300)(0.12)(2) |