Answer:
13
Step-by-step explanation:
5-(-8)=13
Answer:
LETTER A
Step-by-step explanation:
I think it's correct
Answer:
3
Step-by-step explanation:
Answer:
4x(squared)-36
Step-by-step explanation:
=(2x+−6)(2x+6)
=(2x)(2x)+(2x)(6)+(−6)(2x)+(−6)(6)
=4x^2+12x−12x−36
=4x^2 −36