\(6x^2-19x+15=6x^2-9x-10x+15\)
\(=3x\left(2x-3\right)-5\left(2x-3\right)\)
\(=\left(3x-5\right)\left(2x-3\right)\)
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Câu 15. Kết quả phân tích đa thức 6x 2 + 6xy + 7x + 7y thành nhân tử là :
A. (7x+y)(5x+y)
B. ( 3x +5 ) (x+y)
C. ( x+y ) ( 6x + 7)
D. ( 7x +6)( x + y)
x^4+2x^3+6x-9 Phân tích đa thức thành nhân tử
28 tháng 6 2021 lúc 10:16
Phân tích các đa thức sau thành nhân tử:
1) x3 - 7x + 6
2) x3 - 9x2 + 6x + 16
3) x3 - 6x2 - x + 30
4) 2x3 - x2 + 5x + 3
5) 27x3 - 27x2 + 18x - 4
Phân tích đa thức thành nhân tử
\(-3x^2+10x-5\)
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
phân tích đa thức sau thành nhân tử :
a, 2x^2y - 8xy^2
b, x^2 -2xy + y^2 -16