`(-4x^5) . (-2x^3 + 5x^2 - 3)`
` = (-4x^5) . (-2x^3) + (-4x^5) . 5x^2 + (-4x^5) . (-3)`
` = 8x^8 + (-20x^7) + 12x^5`
` = 8x^8 - 20x^7 + 12x^5`
`(-4x^5) (-2x^3 + 5x^2 -3)`
`= - 4x^5 .(-2x^3) + (-4x^5 ). 5x^2 + (-4x^5 ).(-3)`
`= 8x^8 - 20x^7 + -12x^5`
`(-4x^5) . (-2x^3 + 5x^2 - 3)`
` = (-4x^5) . (-2x^3) + (-4x^5) . 5x^2 + (-4x^5) . (-3)`
` = 8x^8 + (-20x^7) + 12x^5`
` = 8x^8 - 20x^7 + 12x^5`
`(-4x^5) (-2x^3 + 5x^2 -3)`
`= - 4x^5 .(-2x^3) + (-4x^5 ). 5x^2 + (-4x^5 ).(-3)`
`= 8x^8 - 20x^7 + -12x^5`
1. (x3 – 3x2 + x – 3) : (x – 3) 2. (2x4 – 5x2 + x3 – 3 – 3x) : (x2 – 3) 3. (x – y – z)5 : (x – y – z)3 4. (x2 + 2x + x2 – 4) : (x + 2) 5. (2x3 + 5x2 – 2x + 3) : (2x2 – x + 1) 6. (2x3 – 5x2 + 6x – 15) : (2x – 5)
Cứu với ạ
Làm tính chia
1) (x3 – 3x2 + x – 3) : (x – 3) 2) (2x4 – 5x2 + x3 – 3 – 3x) : (x2 – 3)
3) (x – y – z)5 : (x – y – z)3 4) (x2 + 2x + x2 – 4) : (x + 2)
| 5) (2x3 + 5x2 – 2x + 3) : (2x2 – x + 1) | 6) (2x3 – 5x2 + 6x – 15):(2x – 5) |
Thực hiện phép chia
a). (3x2y2 + 6x2y3 - 12xy) : 3xy
b). (2x3 + 5x2 - 2x + 3) : (2x2 - x + 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)
C1 .3x3-5x-2
C2 ,(2x-3)3+(6x-17)3
C3 .7x3-3x2-3x-1
C4 .2x3-5x2+x-2
giúp với
(2x3-5x2+6x-15):(2x-5)
Thực hiện phép tính:
(4x5 + 3xy4- y5 + 2x4y - 6x3y2) : (2x3 + y3 - 2xy)
Thực hiện phép chia:
a) ( 2 x 3 + 5 x 2 - 2x + 3) : (2 x 2 - x +1);
b) ( x 5 + x 3 + x 2 +1) : ( x 3 +1).
C3 .7x3-3x2-3x-1
C4 .2x3-5x2+x-2