2(x²-1²)
2(x²-1²)
计算:(1).(-2xy²)*(3x²y)²
1-x²+2xy-y²
1²-2²+3²-4²+5²-6²+…-100²+
已知方程x²+y²-2(m+3)+2(1-4m²)+(4m²)²+9=
(1)(x²-2x)²+2(x²-2x)+1
分解因式(2X²-3X+1)²-22X²+33X-1
因式分解:(2x²-3x+1)²-22x²+33x-1
(x²-2x)²+2x²-4x+1
数学计算与因式分解计算;(x-1/2)²(1/2+x)²因式分解:(x²-3)²
分解因式:9x²-16(a+b)² 1/2x⁴y²-1/8x²y
y=(x²+1)²/[(3x²+2)(2x²+3)],求最小值