tính

a) A+x^2+4xy+x^2-y^2=2y+3xy-5x^2y+2x^2y^2

b)A-(-2x^3)-y^2+32x^2-4xy-y=10z^2+y2x^2

c)A=-2x+5xy-3x^2y+2x^2y^2-2y^2x

B=xy-3x^2y+2x^2y^2-2y^2x

Thực hiện phép chia:

a. (-2x^5+3x^2-4x^3):2x^2

b .(x^3-2x^2y+3xy^2):(-1/2x)

c. (3x^2y^2+6x^2y^3-12xy^2):3xy

d. (4x^3-3x^2y+5xy^2):0,5x

e. (18x^3y^5-9x^2y^2+6xy^2):3xy^2

f. (x^4+2x^2y^2+y^4):(x^2+y^2)

a.4x^2y-3xy^2+xy+xy-x^2y+5xy^2

b.x^2+2y^2+3xy+x^2-3y^2+4xy

c.2x^y-3xy+4xy^2-5x^2y+2xy^2

d.(2x^3+3x^2-4x+1)-(3x+4x^3-5)

a,4xy^2-3x^2y+2x^y2+3x^2y                              b,1/5xy+4/3xy^-2/5xy^+1/3xy c,3/4x^3y^-2/5xy^+2/5x^3y^+3/5x^3y^2            d,(-4/9xy^).(3/2xy^3)

giúp em nhanh với ạ làm ơn :(

Cho \(x+y=1\). Tính :

a) \(A=x^4-xy^3+yx^3-y^4+y^3-x^3-2\)

b) \(B=3x+3y+2x^2y+2xy^2-2xy+5x^3y^2+5x^2y^3-5x^2y^2+3\)

c) \(C=3xy\left(x+y\right)+2x^3y+2x^2y^2-2x^2y+\sqrt{16}-3xy\)

a,(3+1)(x-1)
b,5x(3x-2)
c,3x^2y+6xy^2-9xy):3xy
d,(3x^4-6x^3+4x^2):2x^y
e,(8x^4y^3-4x^3y^2+x^2y^2):2x^2y^2

Cho \(x+y=1\). Tính :

a) \(A=x^4-xy^3+yx^3-y^4+y^3-x^3-2\)

b) \(B=3x+3y+2x^2y+2xy^2-2xy+5x^3y^2+5x^2y^3-5x^2y^2+3\)

c) \(C=3xy\left(x+y\right)+2x^3y+2x^2y^2-2x^2y+\sqrt{16}-3xy\)

Cho x+y=1x+y=1. Tính :

a) \(A=x^4-xy^3+yx^3-y^4+y^3-x^3-2\)

b) \(B=3x+3y+2x^2y+2xy^2-2xy+5x^3y^2+5x^2y^3-5x^2y^2+3\)

c) \(C=3xy\left(x+y\right)+2x^3y+2x^2y^2-2x^2y+\sqrt{16}-3xy\)

Tính

a, 2xy . ( 3x + 2y )

b, 5x . ( 3xy - 5x² + 1 )

c, ( 2x + 1 ) . ( 3x - 5 )