(−2k 3 −7k 2 +5k)+(6k 2 +3k)=

Question

(−2k
3
−7k
2
+5k)+(6k
2
+3k)=

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Jezebel 5 years 2021-08-29T10:12:11+00:00 1 Answers 15 views 0

Answers ( )

  1. Delwyn
    0
    2021-08-29T10:13:48+00:00
    Reply

    Answer: 5k +7

    Step-by-step explanation: -2k + -7k + 5k is -4K and 2+3=5 -4K +5 and 6k +3k= 9k + 2 then u do -4K plus 9k and get 5k next, 5+2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )