1.用公式法分解因式:(1)4(x+y)²-(x-y)² (2)(x+y)²-10(x+y)+252.分解因式:(1)81a的4次方-b的4次方 (2)a²b²\4-ab+1 (3)x³-4x=(4)x³-4x²y+4xy² (5)4\9p&su

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1.用公式法分解因式:(1)4(x+y)²-(x-y)² (2)(x+y)²-10(x+y)+252.分解因式:(1)81a的4次方-b的4次方 (2)a²b²\4-ab+1 (3)x³-4x=(4)x³-4x²y+4xy² (5)4\9p&su
1.用公式法分解因式:
(1)4(x+y)²-(x-y)² (2)(x+y)²-10(x+y)+25
2.分解因式:
(1)81a的4次方-b的4次方 (2)a²b²\4-ab+1 (3)x³-4x=
(4)x³-4x²y+4xy² (5)4\9p²q²-1 (6)25(m+n)²-9n²
(7)4a³-4a²+a (8)(x-1)×(x-3)+1

1.用公式法分解因式:(1)4(x+y)²-(x-y)² (2)(x+y)²-10(x+y)+252.分解因式:(1)81a的4次方-b的4次方 (2)a²b²\4-ab+1 (3)x³-4x=(4)x³-4x²y+4xy² (5)4\9p&su
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