Sagot :
Answer:
8x³ + 13x² + 4x + 2
Step-by-step explanation:
(2x + 1)³ + (x -1)²
(8x³ + 12x² + 6x + 1) + (x² - 2x + 1)
= 8x³ + 13x² + 4x + 2
Answer:
8x³ + 13x² + 4x + 2
Step-by-step explanation:
(2x + 1)³ + (x -1)²
(8x³ + 12x² + 6x + 1) + (x² - 2x + 1)
= 8x³ + 13x² + 4x + 2