If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-11x-42=3x^2
We move all terms to the left:
-11x-42-(3x^2)=0
determiningTheFunctionDomain -3x^2-11x-42=0
a = -3; b = -11; c = -42;
Δ = b2-4ac
Δ = -112-4·(-3)·(-42)
Δ = -383
Delta is less than zero, so there is no solution for the equation
| w+3.97=5.48 | | y-(-18)=-11 | | y-(-15)=-16 | | Y=-4x+80 | | 8x+3+7x+12+x=360 | | 4.7=a+3.09;a= | | 7x+5+3x-1=6; | | 6z+8-7=-3+4z | | 8(b+7)=-6b | | -9x+8x=17 | | 0=x2–7x+11 | | 7.2=m/2+4.2 | | 4x+1-2x+8=29 | | 5.15=1.03(f-2) | | 5x+4–2x=18+3x–14. | | 3x+2=9+12=33 | | -4(2m-4)+1=10+7+10m | | 2(k+2)-1.6=12.4 | | |x^2-4|=2 | | x=997/2 | | 0.2(s-2)=0.5s+0.2 | | -5(8f-6)-f=6(-7f-8) | | 1.4y+4=-1.77y-2.34 | | 8h+6=-4h-8-2h | | -0.9a-52.42=-2.3a-59.42 | | 2196^(5x-6)=169^(8x+6) | | 2x=1000+-3 | | 0.55(100n+8)=0.6(85n+14 | | 5j=9(4j+4)-5 | | 7x-3+4⋅4=27 | | 0.36n(100n+5)=0.6(30n+15) | | 4-v=-2v-2 |