\(b,=3xy\left(xy+2xy^2-4\right):3xy\\ =xy+2xy^2-4\\ c,=\left[\left(2x^3-x^2+x\right)+\left(6x^2-3x+3\right)\right]:\left(2x^2-x+1\right)\\ =\left[x\left(2x^2-x+1\right)+3\left(2x^2-x+1\right)\right]:\left(2x^2-x+1\right)\\ =\left[\left(x+3\right)\left(2x^2-x+1\right)\right]:\left(2x^2-x+1\right)\\ =x+3\)
Thực hiện phép tính:
a) 2x (3x2 + 4x + 1) - 6x3
b) (3x2y2 + 6x2y3 - 12xy) : 3xy
c) 10x / x2 - 4 + 3 / x + 2 - 5/x-2
Thực hiện phép tính:
a)(5x2-2x+1).(2x2-3x)
b)(18x4y3-6x2y3+12x3y4z):6x2y3
c)(6x3-7x2-x+1):(2x+1)
Thực hiện phép tính:
a)(5x2-2x+1).(2x2-3x)
b)(18x4y3-6x2y3+12x3y4z):6x2y3
c)(6x3-7x2-x+1):(2x+1)
Thực hiện phép tính:
a) 10x3y4 : 5x2y
b) (3x2y2 + 6x2y3 -12xy) : 3xy
c) (x2 – 16) : (x – 4)
d) (x2 + 10x + 25) : (x+5)
thực hiện phép chia
(-3x3 + 5x2 - 9x + 15) : (-3 + 5)
(x4 - 2x3 + 2x -1) : (x2 - 1)
(5x4 + 9x3 - 2x2 - 4x -8) : (x-1)
(5x3 + 14x2 + 12x + 8) : (x+2)
thực hiện phép chia
(-3x3 + 5x2 - 9x + 15) : (-3 + 5)
(x4 - 2x3 + 2x -1) : (x2 - 1)
(5x4 + 9x3 - 2x2 - 4x -8) : (x-1)
(5x3 + 14x2 + 12x + 8) : (x+2)
Thực hiện phép chia:
1. (-3x3 + 5x2 - 9x + 15) : ( 3x + 5)
2. ( 5x4 + 9x3 - 2x2 - 4x - 8) : ( x-1)
3. ( 5x3 + 14x2 + 12x + 8 ) : (x + 2)
4. ( x4 - 2x3 + 2x -1 ) : ( x2 - 1)
5. ( 5x2 - 3x3 + 15 - 9x ) : ( 5 - 3x)
6. ( -x2 + 6x3 - 26x + 21) : ( 3 -2x )
Tính:
1. ( x - 2 ) ( 3x + 1 )
2. ( 8x4y3 - 12x3y3 + 6x3y4 )
3. ( 3x3y2 + 6x2y3 - 12xy4 ) : 3xy
4. ( 3x3y2 + 6x2y3 - 12xy4 ) : 4xy
5. ( 2x3 - 5x2 + 7x - 6 ) : ( 2x - 3 )
6. ( x4 - x3 + 3x2 + x + 2 ) : ( x2 - 1 )
Bài toán 3 : Thực hiện phép chia.
a) (2x3 – 5x2 – x + 1) : (2x + 1)
b) (x3 – 2x + 4) : (x + 2)
c) (6x3 – 19x2 + 23x – 12) : (2x – 3)
d) (x4 – 2x3 – 1 + 2x) : (x2 – 1)
