合并多项式:5(x-y)²-(x-y)-8(x-y)²-3(x-y)
合并多项式:5(x-y)²-(x-y)-8(x-y)²-3(x-y)
若将X-Y看成一个整数,合并多项式(X-Y)²+3(X-Y)-2(Y-X),可得?
2.(x+y)²(x-y)²-(x-y)(x+y)(x²+y²)
2(x+y)+(﹣5x+2y) 合并同类项 3X²-[8X﹣(5X﹣2)﹣7X²]
因式分解 -5x³y(x-y)³+20y【x²(y-x)】²
多项式x(x+y)(x-y)-x(x+y)平方 中的公因式是?
多项式如果关于x,y的多项式(ax²-3x+by-1)-2(3-y-3/2x+x²),无论x,y取任
(3x-y)²-2x(4x-5y)-(x+2y)²
x-(3x+y)+(x-5y)去括号,合并同类项
试说明:多项式(5x³-7x³y+3x²y)+2x³-(-7x³y+3
2(x-y)+3(x+y)2-5(x-y)-8(x+y)2-(x-y)
(2x-3y)-(3x-5y) 去括号 合并 3x²-(y²+x²)-²去括号