Sagot :
1. -36x
2.-13m
3.-1ab^2 or -ab^2(Since you need not to specifically put 1 for ab^2 will have a constant of 1)
4.Let's use distributive property (a-1)(-a-8) = -a^2+1a-8a+9 = a^2-7a+9 <~ this is the final answer.
2.-13m
3.-1ab^2 or -ab^2(Since you need not to specifically put 1 for ab^2 will have a constant of 1)
4.Let's use distributive property (a-1)(-a-8) = -a^2+1a-8a+9 = a^2-7a+9 <~ this is the final answer.