Answer:
D. -3z+2
Step-by-step explanation:
Steps:
Remove parentheses: (a) = a
= 5z+9-(8z+7)
....
Simplify
5z+9-8z-7: -3z+2
Answer:
no
Step-by-step explanation:
they over lap
Step-by-step explanation:
(7m²-3m-7)(m²-7m-6) =
7m⁴-49m³-42m²-3m³+21m²+18m
-7m²+49m+42
= 7m⁴-52m³-28m²+67m+42
Area = 5 x 5 = 25in
perimeter = 4(5) = 20 inch
