If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2b^2(b+8)=-30b
We move all terms to the left:
2b^2(b+8)-(-30b)=0
We get rid of parentheses
2b^2(b+8)+30b=0
| 4(8+5x^2)=752 | | 2^2x=128 | | 1/2x−3=7 | | 12x−3=7 | | -4y+3=19= | | 19−-6n=-59 | | 3f+-22=65 | | 42+n=48 | | 4f=4.68 | | 7e=4.2 | | 1/x=0,7559 | | 3.1x=7.1 | | n/1.5=4.34 | | t/0.2=3.4 | | 5-3.8x=3.08 | | 6.4x=1.2-4x | | 6.4x=1 | | 6u−-6u+-u−17u+-5u=-11 | | 18p-16p=14 | | 11x-30=106-25 | | 2x-8÷x+6=6 | | 20x–19=20+10x | | 2.6+0.8-2x=-1.7+x | | 1500-300-3x=950-4x | | 1.23/x-0.45/x=1.5 | | 4.5^(5x)=915 | | x^2+360000=0 | | (360000+x^2)/x=0 | | 12+4x=25+2x | | Y=18x^2 | | 1.8(5r-7.4)=71.5 | | x+0.06x=49140.52 |