i need help figuring out this math problem

Question

 

Perform the following additions and/or subtractions:

(2b^2−5b+4) +(3b^2−5b+1)

 

 

Answer 1

(2b² − 5b + 4) + (3b² − 5b + 1)

 

Combine like terms:

 

2b² + 3b² - 5b - 5b + 4 + 1

 

5b² - 10b + 5