Sửa đề: \(12ba^2-3b-3a^2b+6ab\)
\(=3b\left(4a^2-1-3a^2+2a\right)\)
\(=3b\left(a^2+2a-1\right)\)
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Bài 2: Phân tích đa thức thành nhân tử:1) 6x3y - 12x2y2 + 6xy3 6) x – x -22) (x2 +4)2 -16 7) x4 - 5x2 + 43) 5x2 - 5xy - 10x + 10y 8) x2 – x3 - 2x2 - x4) a3 - 3a + 3b – b3 9) (a3 – 27) – (3 – a)(6a + 9)5) x2 - 2x – y2 +1 10) x2(y – z) + y2(z – x) + z2(x – y)
Đọc tiếp
Bài 2: Phân tích đa thức thành nhân tử:
1) 6x3y - 12x2y2 + 6xy3 6) x – x -2
2) (x2 +4)2 -16 7) x4 - 5x2 + 4
3) 5x2 - 5xy - 10x + 10y 8) x2 – x3 - 2x2 - x
4) a3 - 3a + 3b – b3 9) (a3 – 27) – (3 – a)(6a + 9)
5) x2 - 2x – y2 +1 10) x2(y – z) + y2(z – x) + z2(x – y)
phân tích đa thức sau thành nhân tử :
a, 2x^2y - 8xy^2
b, x^2 -2xy + y^2 -16
Phân tích đa thức thành nhân tử
\(-3x^2+10x-5\)
phân tích đa thức thành nhân tử
6x^2-19x+15
Phân tích đa thức thành nhân tử :
Đọc tiếp
Phân tích đa thức thành nhân tử : 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Phân tích đa thức thành nhân tử
\(x^2\left(x^2-6\right)-x^2+9\)
14 tháng 7 2021 lúc 15:04
Phân tích đa thức thành nhân tử:
\(x^6-y^6\)
phân tích đa thức 9x2- 4y2 thành nhân tử ta được
Cho đa thúc A= 2x^4+3x^3-4x^2-3x+2 và đa thức B= x+2
1) Làm tính chia đa thức A cho đa thức B.
2) Hãy phân tích đa thức thương của phép chia đa thức A cho đa thức B thành nhân tử.