((2r-7s)- (r-2s)) (r-2s)
Matematika
ViranAyomi
Pertanyaan
((2r-7s)- (r-2s)) (r-2s)
1 Jawaban
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1. Jawaban Anonyme
Bab Aljabar
Matematika SMP Kelas VIII
((2r - 7s) - (r - 2s)) (r - 2s) = (2r - 7s - r + 2s) (r - 2s)
= (r - 5s) (r - 2s)
= r² - 2sr - 5sr + 10s²
= r² - 7sr + 10s²