Addition & Subtraction of Polynomials
1. Subtract the given expressions vertically.
(3y² - y - 6) - (4y² + 5y + 3)

2. Subtract the sum of
(8x³ + 2x - 1) & (x² - 3x - 1) from (-4x³ -2x² + 3x + 5).

3. Perform the indicated operation. Add or subtract
a.
2x² -3x + 2 + x² - x - 1 _______________
b.
3m² - m - 1 - 2m² + 5m - 3 ___________________
c.
Subtract 4y² + 5y + 3 from 3y² - y - 6.

Clue: Subtract the given expressions vertically.​