Answers

2015-11-14T23:28:43+08:00
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.
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You're not correct in Number 4 :-)
  • Brainly User
2015-11-16T18:21:26+08:00
1)  - 36x

2)  -24 + (+ 11m)  = -13m

3)  -ab²

4)  (a-1) + (-a + 8) = 7
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