Question

Find the difference of (b2 + 4b +5) and
(b2 - b +3)

Answer 1

3b + 2

Explanation:

(b² + 4b + 5) -(b² - b + 3)

distribute the negative sign

b² +4b+5 -b²+b-3

add together like terms

b² + (-b²) 4b + (-b) 5 + (-3)

b² cancels (equals 0)

3b +2