A.8k-5k B.(-a)+5b+7a-2b
Matematika
lutviarahim
Pertanyaan
A.8k-5k
B.(-a)+5b+7a-2b
B.(-a)+5b+7a-2b
1 Jawaban
-
1. Jawaban BeetSha
a.
8k - 5k
= 3k
b.
(-a) + 5b + 7a - 2b
= -a + 7a + 5b - 2b
= 6a + 3b
= 3(2a + b)