If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5(x^2+25)=0
We multiply parentheses
5x^2+125=0
a = 5; b = 0; c = +125;
Δ = b2-4ac
Δ = 02-4·5·125
Δ = -2500
Delta is less than zero, so there is no solution for the equation
| 12x+4+5x=39 | | 4x=9+3x | | 6=2/3a | | -3/4(2/3x+8/9)=-19/33 | | 64^(3v-2)=16 | | 64^3v-2=16 | | 7x+11x+12x=180 | | |3x+9|=6x+27 | | 4r-7(4=2r) | | 4/3+b=4/7 | | 5x+3/4x+3=11/9 | | 3.x+18=27 | | 4x+-3=5x+-21 | | 4y+7-3=8y+6-2 | | 8v-3=-19 | | (r/6)=1 | | t^2-17t+72=0 | | 0.2x+19.9=x-1.22 | | t^-17t+72=0 | | 3/7x=1-21 | | 3p*(-3)=-36 | | 5(y-3)=2(10-y) | | 4^(x+7)=11 | | 5x+8+5x=8= | | 2(x+5)=4(-3+0.25x) | | -+0z=2/3 | | 5.1+0.9x=0.6 | | (6=a/4+2)2 | | 16x2+169=0. | | -x-3x+5-5x+2=22 | | |3x+5|=6 | | n-2=-6+3n |