(2a+5)²=??? (x-3y)²=???
Matematika
ethandolan
Pertanyaan
(2a+5)²=???
(x-3y)²=???
(x-3y)²=???
2 Jawaban
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1. Jawaban syamrosa
(2a+5)(2a+5)=4a2+10a+10a+25=4a2+20a+25
(x-3y)(x-3y)=x2-3xy-3xy+9y2
=x2-6xy+9y2.....
mudhn bnr -
