Matematika

Pertanyaan

(-m-n)(2m-n)=
(-x+2y)(3-y)=
(-m-n)(2m-n)= (-x+2y)(3-y)=

0 Comment.

1 Jawaban

  • (-m-n)(2m-n)=
    = -2m² + mn - 2mn + n²
    = n² - mn - 2m²

    (-x+2y)(3-y)=
    = -3x + xy + 6y - 2y²

Pertanyaan Lainnya