The sum of the given expression is 6b^2+8b-15
Sum of expression
Given the following expression
(6b^2+5)+(8b-20)
We are to take the sum. On expansion;
6b^2+5 + 8b-20
Collect the like terms
6b^2+8b +5 - 20
6b^2+8b-15
Hence the sum of the given expression is 6b^2+8b-15
Learn more on sum of expression here: https://brainly.com/question/723406
#SPJ1
