分解因式:3a+12a²+12a³ 16-8(x-y)+(x-y)² a的4次幂b-6a³b+9a²b
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分解因式:3a+12a²+12a³ 16-8(x-y)+(x-y)² a的4次幂b-6a³b+9a²b
分解因式:3a+12a²+12a³ 16-8(x-y)+(x-y)² a的4次幂b-6a³b+9a²b
分解因式:3a+12a²+12a³ 16-8(x-y)+(x-y)² a的4次幂b-6a³b+9a²b
3a+12a²+12a³
=3a(1+4a+4a²)
=3a(1+2a)²
16-8(x-y)+(x-y)²
=[4-(x-y)]²
=(2-x+y)²
a的4次幂b-6a³b+9a²b
=a²b(a²-6a+9)
=a²b(a-3)²
分解因式:3a+12a²+12a³
=3a(1+4a+4a²)
=3a(2a+1)²;
16-8(x-y)+(x-y)²
=(x-y-4)²
a的4次幂b-6a³b+9a²b
=a²b(a²-6a+9)
=a²b(a-3)...
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分解因式:3a+12a²+12a³
=3a(1+4a+4a²)
=3a(2a+1)²;
16-8(x-y)+(x-y)²
=(x-y-4)²
a的4次幂b-6a³b+9a²b
=a²b(a²-6a+9)
=a²b(a-3)²;
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