Question

17 points please help thank you

Answer 1

-6+-6+-4 +0

Explanation:

Let n=0

(0-3) (0+2) = -3*2 = -6

Let n = 1

(1-3) (1+2) = -2*3 = -6

Let n=2

(2-3) (2+2) =-1*4 = -4

Let n=3

(3-3) (3+2)=0*5 =0

Sum them all up

-6+-6+-4 +0