If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r^2-r+25=0
We add all the numbers together, and all the variables
r^2-1r+25=0
a = 1; b = -1; c = +25;
Δ = b2-4ac
Δ = -12-4·1·25
Δ = -99
Delta is less than zero, so there is no solution for the equation
| 1+3x=139 | | 64=2y | | 2.5x-15=2.75-10 | | y^+8y=3 | | 23=3n | | 16-25w^2=0 | | 3x-32=3x-8(8x-4) | | 109s5=1.34*10-34 | | 3x-32=3x-(8x-4) | | -4-2x+5+x=5 | | -7+7x=5x+3 | | 4x^2-25=x | | -4-2x+5+x=-1 | | 5(x+1)=7-2(5x-8) | | −10/x=10/3x+6 | | 6+2k+5k=13 | | 100=15-x5 | | (6/w)=6/(w+9)+3/2 | | (7+3-4x)/5=0 | | g-60/20=2 | | 1/12x=5/6 | | w^2=-2w-15 | | 48x+16=24x+120 | | F(x)=-7x-14 | | 8x+40=144x+48 | | 8x+40=144x+43 | | 0.5(x+2)=12 | | 2x=6x/5x^2-8 | | x-0.05x=1685 | | 4(n+3)=7n+9 | | w^2-7w-5=0 | | 5t+1+4t-8t=5+1 |