a.17a + 28b
b.17a – 28b
c.16a + 28b
d.16a – 28b
Jika A= 3a – 6b dan B = –4a + 5b, maka nilai 3A – 2B adalah…
Jawaban:
~ Math
A = 3a – 6b
B = -4a + 5b
3A – 2B
3(3a – 6b) – 2(-4a + 5b)
9a – 18b + 8a – 10b
9a + 8a – 18b – 10b
17a – 28b [B]
a.17a + 28b
b.17a – 28b
c.16a + 28b
d.16a – 28b
Jika A= 3a – 6b dan B = –4a + 5b, maka nilai 3A – 2B adalah…
Jawaban:
A = 3a – 6b
B = -4a + 5b
3A – 2B
3(3a – 6b) – 2(-4a + 5b)
9a – 18b + 8a – 10b
9a + 8a – 18b – 10b
17a – 28b [B]