Question

bài 1

a.\(\dfrac{16}{4}.x=\dfrac{16}{2}\)

b.\(2xy^3+4x^2y+8xy^3-1x^2y\)

c.\(15x+3xyz^3-4xy^2-14x+2xyz^3+xy^2\)

giúp me vứi

Answer 1

a.16/4 . x = 16/2

x = 16/2 : 16/4

x = 16/2 . 4/16

x = 1/2.

b, b.2xy³+ 4x²y+8xy³−1x²y

= 2xy³ + 8xy³ + 4x²y - 1x²y

= ( 2 + 8 )xy³ + ( 4 - 1 )x²y

= 10xy³ + 3x²y.

 

Answer 2

a: x=16/2:16/4=2

b: \(=10xy^3+3x^2y\)

c: \(15x-14x+3xyz^3+2xyz^3-4xy^2+xy^2\)

\(=x+5xyz^3-3xy^2\)

Answer 3

nhìn lướt qua cứ tưởng phân tích đa thức thành nhân tử

Answer 4

a.`16/4 . x = 16/2`

`x= 16/2 : 16/4`

`x= 16/2 . 4/16`

`x = 1/2.`

b, `2xy<sup>3</sup>4x<sup>2</sup>y+8xy<sup>3</sup>−1x<sup>2</sup>y`

`= 2xy<sup>3</sup> + 8xy<sup>3</sup> + 4x<sup>2</sup>y - 1x<sup>2</sup>y`

`= ( 2 + 8 )xy<sup>3</sup> + ( 4 - 1 )x<sup>2</sup>y`

`= 10xy<sup>3</sup> + 3x<sup>2</sup>y.`

Answer 5

\(a.\dfrac{16}{4}.x=\dfrac{16}{2}\)

          \(x=\dfrac{16}{2}:\dfrac{16}{4}\)

          \(x=2\)

\(b.2xy^3+4x^2y+8xy^3-x^2y\)

\(=\left(2xy^3+8xy^3\right)+\left(4x^2y-x^2y\right)\)

\(=10xy^3+3x^2y\)

\(c.15x+3xyz^3-4xy^2-14x+2xyz^3+xy^2\)

\(=\left(15x-14x\right)+\left(3xyz^3+2xyz^3\right)+\left(-4xy^2+xy^2\right)\)

\(=x+5xyz^3-3xy^2\)