问题: 帮帮我啊,急急急
因式分解
1.12m^2*x^2*y^2-4mx^2*y^2+8m^3*x^2*y^2
解答:
12m²x²y² - 4mx²y² + 8m³x²y²
= 4mx²y²(3m - 1 + 2m²)
= 4mx²y²(2m² + 3m - 1)
12m²x²y² + 4mx²y² + 8m³x²y²
= 4mx²y²(3m + 1 + 2m²)
= 4mx²y²(2m² + 3m + 1)
= 4mx²y²(m+1)(2m+1)
= 4m(m+1)(2m+1)x²y²
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