Answer:
(x - 1)(x + 1)(x + 3).
Step-by-step explanation:
x^3 + 3x^2 - x - 3 Factor by grouping:
= x^2(x + 3) - 1(x + 3) x+3 is common .
= (x^2 - 1)(x + 3) x^2 - 1 is the difference of 2 squares.
= (x - 1)(x + 1)(x + 3).
Answer:
4.5
Step-by-step explanation:
Do 3x3 as a whole square, do 9 divided by 2 which is 4.5
Answer:
AB
Step-by-step explanation:
7
I think you have to add the costs. Hope this helps
