Question

help me friends pls
​

Answer 1

Answer:

-2 is answer

Step-by-step explanation:

solution------->

$( {y}^{3} - 2y + 1) - ( {y}^{2} - 2y + 3) \\ \\ {y}^{3} - 2y + 1 - {y}^{2} + 2y - 3 \\ \\ y³-y² - 2$