If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3v^2-7v+9=0
a = 3; b = -7; c = +9;
Δ = b2-4ac
Δ = -72-4·3·9
Δ = -59
Delta is less than zero, so there is no solution for the equation
| 54=6(m=+2.3) | | 8x+89=78+x | | 5w^2+15w-20=0 | | 6-x/4-3x=2 | | 6p2-4p+2=0 | | 26n-48=160 | | 7(m+2.4)=71.4 | | 6p2–4p+2=0 | | (1/2)x^2=3 | | 8(x+4)=12x+4 | | 12x-206=-6+64 | | 5.4=a-(-1.8 | | 74.9=7(m+2.4) | | 2a-24=5a | | -5/12(x+2)-4/3=24 | | 7(m+2.4)=74.9 | | 8x^=128 | | 18x+3=6(2x-1) | | -2x+14=54 | | 12=-3x-45 | | 9z2–4z+2=0 | | -5x-29=34-8x | | 3n+2=14, | | 2/3(x-36)=40 | | 67+16x=Y | | 9(x-3)=-3(2x | | 6x-9-8x=11+x-7 | | -2x+3(x-1)^2=-6 | | s2–16s+15=0 | | x^2+4x+7=x^2-2x-23 | | 8÷x=-2 | | 3(x-1)^2-2x+6=0 |