Question

3-4abc+2b square C,5abc-7,2abc-7b square C+11
add the following ​

Answer 1

Answer:

7+3abc+5b^2

Step-by-step explanation:

3-4abc+2b^2

5abc-7

2abc-7b^2c+11

= 3-4abc+2b^2+5abc-7+2abc-7b^2+11

= -4abc+5abc+2abc+3-7+11+2b^2-7b^2

= 3abc+7-5b^2