Question

Solve. 3x2 = –21x – 15

Answer 1

3x2 is 3 time 2 ?

Answer 2

no its 3x^2

Answer 3

\[if:3x^2=-21x-15\]\[than:3x^2+21x-15=0\]\[x=\frac{1}{2}(-7-\sqrt{29)}\]\[x=\frac{1}{2}(\sqrt{29-7})\]