Subtract:

5y⁴ – 3y³ + 2y² + y – 1 from 4y⁴ – 2y³ – 6y² – y + 5

According to the rule of subtraction two negative becomes positive and the result will have negative sign.

To subtract the expression,we have to arrange the given expression in the form of rows and then subtract the expression column wise, so we have;