How do you simplify: 4(x + 5y) + 5x + y4(x+5y)+5x+y?

1 Answer
Nov 8, 2016

9x + 21y9x+21y

Explanation:

Step 1) Expand the term in parenthesis:

4(x + 5y) + 5x +y =>4(x+5y)+5x+y

4x + 20y + 5x + y4x+20y+5x+y

Step 2) Combine like terms and simplify:

4x + 5x + 20y + y =>4x+5x+20y+y

(4 + 5)x + (20 + 1)y =>(4+5)x+(20+1)y

9x + 21y9x+21y