Question

Solve.
z^2 + 6z − 18 = (2z + 3)(z − 6)

Answer 1

\[z^2 + 6z − 18 = (2z + 3)(z − 6)\]

How can I start this?

Answer 2

Start by expanding the right-hand side, then move everything to the left, and combine the like terms.

Answer 3

\[z ^{2}+6z-18=2z ^{2}-12z+3z-18\]

Answer 4

that's how it should look when you start it off. Do you understand how I got that first part or should I explain it?

Answer 5

I got it

Answer 6

ok do you need more help with it?

Answer 7

move everything to the left side and in the right its =0 correct

Answer 8

yes