Question

If x=2 y=9 and z=-5 what is 2(y+z) (y+z)3 and (x+y)2

Answer 1

Answer: The answer is

= 2(4) (4)3 (11)2

= (8) (12) (22)

Step-by-step explanation:2(9+(-5)) (9+(-5))3 (2+9)2

= 2(9-5) (9-5)3 (2+9)2 since +×-=-

= 2(4) (4)3 (11)2

= (8) (12) (22)