Berapa (13a - 8b) + (12a + 9b).... Question from @gabriell123

September 2018 2 10 Report

Berapa (13a - 8b) + (12a + 9b)

fabiolamega9 (13a - 8b ) + ( 12a + 9b ) =
(13a + 12a ) + (-8b + 9b) =
25a + b

0 votes Thanks 1

Vheve Itu tinggal dikali silang saja
13a X 12a = 166a^{2}
13a X 9b = 117ab
-8b X 12a = -96ab
-8b X 9b = -72b^{2}
Hasilnya : 166a²+11ab-72b²

0 votes Thanks 1

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