Question

How do you simplify `a (a-3) -2 (a+1)`?

Answer 1

`a^2-5a-2`

Explanation:

distribute the brackets.

`rArra(a-3)-2(a+1)=a^2-3a-2a-2`

collect like terms.

`a^2+(-3a-2a)-2=a^2-5a-2`