Answer:
y = 2x² + 16x + 11
Step-by-step explanation:
first foil (x + 4)² to get x² + 8x + 16
distribute 2 to get 2x² + 16x + 32
subtract 21 from 32
Answer:
625
Step-by-step explanation:
All it is saying to do is to do -5x-5x-5x-5
Answer attached below. Hope it helps
.7 repeating would make it 7/9
4 x 4 = 16
5 x 5 = 25
6 x 6 = 36