10.5k views
5 votes
Bob says that when he multiplies (x+3) (x-3) he gets x^2-6x-9 is he correct explain

User Gaborous
by
8.3k points

1 Answer

3 votes
(x+3)(x-3)
x*x=x^2
x*-3=-3x
3*x=3x
3*-3=-9

where’s where he most likely messed up
x^2-3x+3x-9

the correct answer is x^-9
User Aroonporn
by
7.6k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories