Answers

  • Brainly User
2014-06-04T18:07:53+08:00
(a+3)(a+3)=a²+6a+9 (b+4a)²=16a²+b²+8ab 2a(-8a+3a)=-10a² (b-2)(b-4)=b²-6b+8 -2a(b+3-2a)=4a-2ab-6a (a-6b)(a+6b)=a²-36b²
0
*-2a(b+3-2a)=4a²-2ab-6a
That is the answer to the fifth one.