Phân tích thành nhân tử ( Đặt nhân tử chung)
: Phân tích thành nhân tử ( Đặt nhân tử chung)
1) 5(x-y)-y(x-y)
4) z(x+y)-5(x+y)
7) 5x(x−1)–(1−x)
10) 3(x-y)-y(y-x)
13) 3x(x-1)-2y(1-x)
16) x(x²-1)+4(1-y²)
19) 10x(x-y)-8y(y-x)
22) 10x(x-y)-6y(y-x)
25) xy² (x-3)+4x(3-x)|
28) 2x² (y-1)-2x(y-1)
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8.9
2) x(y+1)+8(y+1)
5) 3x(x+5)-2(5+x)
8) x(y-1)-y(1-y)
11) 3x(x-2)+5(2-x)
14)3(x−y)−5x(y−x)
17) x(2y-1)-5(2y-1)
20) 3x(x-y)+6(y-x)
23) 3x(x-2y)+6y(2y-x)
26) 2x(x+y)-6x²(x+y)
29) 10xy(x-y)-6y(y-x)
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3) 5(x-y)-x(x-y)
6) x²(x-1)+4(x-1)
9) y(x-2)-3(2-x)
12) 7x(x-y)-(y-x)
15) x(x-y)+ y(y-x)
18)9(x-2y)+x(2y-x)
21) 5x(x-1)-15x(1-x)
24) 20x(x+y)-8y(y+x)
27) 9x² (y+z)+3x(y+z)
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