(2x + 1)³
(2x + 1)(2x + 1)(2x + 1)
(4x² + 2x + 2x + 1)(2x + 1)
(4x² + 4x + 1)(2x + 1)
(8x³ + 4x² + 8x² + 4x + 2x + 1)
8x³ + 12x² + 6x + 1
Answer:
4.4 miles
Step-by-step explanation:
2.7 + 3.6 + 4.3 = 10.6
Subtract 10.6 from 15 to get your answer
15 - 10.6 = 4.4 miles
That can be expressed as, assuming x is the number, 2(x+15).
