Answer:
Step-by-step explanation:
=f³+11×g-4×h
=3³+11×2-4×7
=27+22-28
=21
is yr answer.
x = -8
-23 + 7 = -16
-16 ÷ 2 = -8
2 × -8 =-16 - 7 = -23
25
Sqrt 25 = 5
5^2 = 25