分解因式2x²y-x³-xy²
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分解因式2x²y-x³-xy²
分解因式2x²y-x³-xy²
分解因式2x²y-x³-xy²
解
2x²y-x³-xy²
=x(2xy-x²-y²)
=-x(x²-2xy+y²)
=-x(x-y)²
=-x(x²-2xy+y²)
=-x(x-y)²
2x²y-x³-xy²
=-x(x²-2xy+y²)
=-x(x-y)²
分解因式2x²y-x³-xy²
分解因式2x²y-x³-xy²
分解因式2x²y-x³-xy²
解
2x²y-x³-xy²
=x(2xy-x²-y²)
=-x(x²-2xy+y²)
=-x(x-y)²
=-x(x²-2xy+y²)
=-x(x-y)²
2x²y-x³-xy²
=-x(x²-2xy+y²)
=-x(x-y)²