Question

a) (2m²-5m+1)+(-3m²+4m-3)
b) (3y²-2y-6)-(7y²+8y-5)

Answer 1

a) (2m²- 5m + 1) + (-3m² +4m - 3)

2m² - 3m² - 5m + 4m + 1 - 3

- m² - m - 2

b) (3y² - 2y - 6) - (7y² + 8y - 5)

3y² - 7y² - 2y - 8y - 6 + 5

- 4y² - 10y - 1