(4xy+3y-5x).x^2y (3x^2y-6xy+9x).(-4/3) Giúp mình vs ạ 27/07/2021 Bởi Faith (4xy+3y-5x).x^2y (3x^2y-6xy+9x).(-4/3) Giúp mình vs ạ
Đáp án: `(4xy+3y-5x).x^2y` `=4x³y²+3x²y²-5x³y` `(3x^2y-6xy+9x).(-4/3)` `=-4x²y+8xy-12x` @Star Bình luận
Đáp án: (4xy + 3y – 5x).x²y = 4x³y² + 3x²y² – 5x³y (3x²y – 6xy + 9x).$\frac{-4}{3}$ =3.($\frac{-4}{3}$) x²y – 6.($\frac{-4}{3}$ ).xy + 9.($\frac{-4}{3}$ ).x = -4x²y + 8xy – 12x Bình luận
Đáp án:
`(4xy+3y-5x).x^2y`
`=4x³y²+3x²y²-5x³y`
`(3x^2y-6xy+9x).(-4/3)`
`=-4x²y+8xy-12x`
@Star
Đáp án:
(4xy + 3y – 5x).x²y
= 4x³y² + 3x²y² – 5x³y
(3x²y – 6xy + 9x).$\frac{-4}{3}$
=3.($\frac{-4}{3}$) x²y – 6.($\frac{-4}{3}$ ).xy + 9.($\frac{-4}{3}$ ).x
= -4x²y + 8xy – 12x