Jawabanmu

2014-08-21T14:08:39+07:00
Fsafjgusfbjsifjsggfsfbsiafasbfsaifknaskf

Jawaban paling cerdas!
2014-08-21T15:10:09+07:00
A. (a+b)2 = a2 + 2ab + b2
b. (a-b)2 = a2 - 2ab +b2
c. (ax+b) × (cx+d) = acx2 + adx + bcx + bd
= ax (cx + d) + b (cx+d)