If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7x^2+6x+9=0
a = 7; b = 6; c = +9;
Δ = b2-4ac
Δ = 62-4·7·9
Δ = -216
Delta is less than zero, so there is no solution for the equation
| 7x^2+6x+9=0 | | 2x-8=3x-6=x+10=x | | 2x-8=3x-6=x+10=x | | (2x+6)=(x+9 | | (2x+6)=(x+9 | | (2x+6)=(x+9 | | (2x+6)=(x+9 | | 12939=84822x83 | | 12939=84822x83 | | 12939=84822x83 | | 12939=84822x83 | | 11a+14=39 | | 11a+14=39 | | 11a+14=39 | | 11a+14=39 | | 11a+14=39 | | 11a+14=39 | | 11a+14=39 | | (3x-5)=(2x-25)=180 | | 5.5n=35 | | 3x(20+6)=N | | C×c=9 | | 0.2x=x-40 | | (2x–3)/5=21 | | (5x)(7-20)=180 | | 2w±4=6 | | 5(m)+3(2m+1)=65 | | 2w±4=6 | | 5(m)+3(2m+1)=65 | | -3(-7+3b)=-39+3b | | -3(-7+3b)=-39+3b | | (18)5x+19=9x-5 |