a(5a - b +3c) - 2a(a+3b-2c)
Matematika
diansafitrico
Pertanyaan
a(5a - b +3c) - 2a(a+3b-2c)
1 Jawaban
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1. Jawaban AlfandyGulo
= a(5a - b + 3c) - 2a(a + 3b - 2c)
= (5a² - ab + 3ac) - (2a² + 6ab - 4ac)
= (5a² - 2a²) - (ab + 6ab) + (3ac + 4ac)
= 3a² - 7ab + 7ac