If it's not what You are looking for type in the equation solver your own equation and let us solve it.
121y^2+49=0
a = 121; b = 0; c = +49;
Δ = b2-4ac
Δ = 02-4·121·49
Δ = -23716
Delta is less than zero, so there is no solution for the equation
| -3+5v=12 | | 3(x+7)-20=2x+6 | | 2v-2=-12 | | 2-2x3+3=() | | 8=4y-4 | | 7x+8/4=3x-13/5 | | 12=3x+(x-4) | | 7/2+3x/2=-1 | | 81x-11=117x+7 | | (3n)=n+30 | | 6x+11=x+8 | | x3+2-5x=0 | | 200+10^x-3=1600 | | 2x-11=x+9 | | 45,000+15x+0.3x^2=605x-0.7x^2 | | x^2+2/x-5=0 | | 20-5x=-55 | | 8+5x=2-9x | | 3x=7=-4 | | -y-28+y^2=2y+2y^2 | | x+2/x-5=0 | | 3n-26=5n+14/7 | | 2x^2+x-220=0 | | x(x-1)(x-2)(x-3)(x-4)(x-5)=720 | | 3n+7=3(n+2) | | 3n+7=39n+2) | | 18=1/2+3/2+b | | 18=1/2+3/2b | | 10-0.5x=5 | | 2x2+20x+50=0 | | 20/5=x/8 | | 12x+300=270 |