Answer:
7(4)-7
28-7
21
Step-by-step explanation:
Answer:
The first one is 13.
The second one is 22.
Step-by-step explanation:
I took the test I know this is correct. :)
Answer:
=
Step-by-step explanation:
Answer:4x2−6x−4
Step-by-step explanation:
(4x+2)(x−2)
=(4x+2)(x+−2)
=(4x)(x)+(4x)(−2)+(2)(x)+(2)(−2)
=4x2−8x+2x−4
=4x2−6x−4