Question

Solve. 3x2 + 21x = -30



x = 7 and x = -5

x = -5 and x = -2

x = 6 and x = 5

x = -6 and x = -2

Answer 1

\[3x ^{2}+21x+30=0\]
factor out 3 and get
\[3(x ^{2}+7x+10)\]
\[(x+5)(x+2)\]
so x=-5 and x=-2

Answer 2

thank you!11111111

Answer 3

you are welcome