Question

Write an algebraic expression for “5 times the difference of q squared and r plus 8 times the sum of 3q and 2r”. Then simplify the expression and indicate the properties used.

Answer 1

Hopefully this is what you are looking for.

5(q^2-r)+8(3q+2r) 
Does this look like what you are currently doing?

5q^2-5r+24q+16r
5q^2+24q+11r