Question

3. Solve x2 + 18 = –9x.

Answer 1

Add 9x to both sides.

\(\Large \color{Black}{\Rightarrow x^2 + 18 + 9x = 0 }\)

Solve using the quadratic formula.

Answer 2

do u know factorization or quadratic formula?

Answer 3

im going ahead in my course online so i havent been taght any of this. im just trying to get ahead :/

Answer 4

break 9x to 6x+3x, observe, can u take any common from two pairs terms?

Answer 5

i just need someone to work it out for me please... ive been stuck on these problems in my book for a while.