Question

PLEASE I NEED HELP FOR THIS TEST

Simplify the difference. Write your answer in standard form.
2) (8r - 4r + 8) - (5r - 8 + 7r")
A) -24r + 3r + 16
B) 3r + 13r + 16
C) -11p+ 3r + 16
D) -317 + 3r + 16

Answer 1

- 11r³ + 3r + 16

Explanation:

( 8r - 4r³ + 8 ) - ( 5r - 8 + 7r³ ) =

= 8r - 4r³ + 8 - 5r + 8 - 7r³ =

= - 11r³ + 3r + 16