If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-2x(x+3)=48
We move all terms to the left:
-2x(x+3)-(48)=0
We multiply parentheses
-2x^2-6x-48=0
a = -2; b = -6; c = -48;
Δ = b2-4ac
Δ = -62-4·(-2)·(-48)
Δ = -348
Delta is less than zero, so there is no solution for the equation
| 1+3x+x=-19 | | 1+3q=7-8q+5q | | -12(y+2)+4(4y-7)=3(y-4)+13 | | -3(1-4r)=-51 | | 6x+9)−(7x+1)= | | 1+3x+x=-23 | | -1-4r=-3r-10 | | 1+4x+x=-9 | | 2(7-x)=8-(2x^2-8x-7) | | 0.12x=4.44 | | 8(x+3)+6=-2 | | 7g-10=10g+2+g | | 7+1/2(2x−18)+4=28 | | 8x(x+3)+6=-2 | | 7+21(2x−18)+4=28 | | -3x+2/3=x=-1/4 | | 3x+5+2x+6=3x+21 | | 5(x+5)+9=-1 | | 4(2+3n)-4=52 | | 4(x+2)+7=-5 | | 3(3x-4)=5x+8 | | -7πh=98 | | -8w+5(w+7)=23 | | 2n*n+10n=2n*n | | 3(x+2)+8=-4 | | u–3+3=–6 | | (x+2)/5=7/5 | | -2x-3(1+2x)=-59 | | 5(q+1)=15 | | 7x2+9x-88=0 | | 5(8b-5)=-145 | | -2(6n+2)=92 |