2(X²+6X+1)²+5(X²+1)(X²+6X+1)+2(X²+1)² (X+1)(X+3)(X+5)(X+7)+15X²(X-1)²+32(X-X²)+60
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2(X²+6X+1)²+5(X²+1)(X²+6X+1)+2(X²+1)²(X+1)(X+3)(X+5)(X+7)+15X²(X-
2(X²+6X+1)²+5(X²+1)(X²+6X+1)+2(X²+1)² (X+1)(X+3)(X+5)(X+7)+15X²(X-1)²+32(X-X²)+60
2(X²+6X+1)²+5(X²+1)(X²+6X+1)+2(X²+1)²
(X+1)(X+3)(X+5)(X+7)+15
X²(X-1)²+32(X-X²)+60
2(X²+6X+1)²+5(X²+1)(X²+6X+1)+2(X²+1)² (X+1)(X+3)(X+5)(X+7)+15X²(X-1)²+32(X-X²)+60
1.2(X²+6X+1)²+5(X²+1)(X²+6X+1)+2(X²+1)² =[(x2+6x+1)+2(X²+1)][2(X²+6X+1)+(X²+1)]=3(X+1)² *3(X²+4x+1)=9(X+1)² (X²+4x+1)
用vb编个程序就不用解方程了
简单