Home/Questions/Q 3284
Next
In Process
Bơ
Bơ

Bơ

View Profile
  • 0
Asked: 2020-10-16T18:48:10+00:00 In:

Jup mk bài 2 vs……………

  • 0

Jup mk bài 2 vs……………
jup-mk-bai-2-vs

Share

    Related Questions

    2 Answers

    1. Nick

      Nick

      View Profile

      =))

      `a) (m+n)(m-n)`

      `b (-x-4)(2x^2+3x+2)`

      `c)-(4-x+3)*(4+x-3)`

      `d) (8+y)^2`

      • 0
    2. Acacia

      Acacia

      View Profile

      Đáp án:

       

      Giải thích các bước giải:

      a/ (m+n)(m-n)

      b/ (x^2+x-1-x^2-2x-3)(x^2+x-1+x^2+2x+3)

      =(-x-4)(2x^2+3x+2)

      c/-16+(x-3)^2

      =-(16-(x-3)^2)

      =-(4-x+3)*(4+x-3)

      d/64+16y+y^2

      =8^2+2*8y+y^2

      =(8+y)^2

      • 0
    Leave an answer

    Leave an answer