(x+3)(x+2)(x+1)x=3024
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(x+3)(x+2)(x+1)x=3024(x+3)(x+2)(x+1)x=3024(x+3)(x+2)(x+1)x=3024(x+3)(x+2)(x+1)x=6x7x8x9=-6x-7x-8x-9x
(x+3)(x+2)(x+1)x=3024
(x+3)(x+2)(x+1)x=3024
(x+3)(x+2)(x+1)x=3024
(x+3)(x+2)(x+1)x=6x7x8x9=-6x-7x-8x-9
x1= 6
x2=-9
x=6(x+3)(x+2)(x+1)x=3024哦,一般地,这个方程为x^4+6x^3+11x^2+6x-3024=0,提取因子x-6,因式分解为(x-6)(x^3+12x^2+83x+504)=0,进一步提取因子x+9,得(x-6)(x+9)(x^2+3x+56)=0,由判别式知道二次方程x^2+3x+56=0无实根,所以全部实根为6,-9。但有复根(-3+i 根号215)/2和(-3-i 根号...
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x=6
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x=6
(x+3)(x+2)(x+1)x=3024=9×8×7×6
x=6
x(x+3)(x+1)(x+2)=3024
(x²+3x)(x²+3x+2)=3024
设x²+3x=y
y(y+2)=3024
y²+2y-3024=0
(y+56)(y-54)=0
∴y=-56或54
∴x²+3x=-56或54
x²+3x=-56难解(不知道是不是无解,...
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x(x+3)(x+1)(x+2)=3024
(x²+3x)(x²+3x+2)=3024
设x²+3x=y
y(y+2)=3024
y²+2y-3024=0
(y+56)(y-54)=0
∴y=-56或54
∴x²+3x=-56或54
x²+3x=-56难解(不知道是不是无解,但应该可以舍去)
x²+3x-54=0
(x+6)(x-9)=0
x=-6或9
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(X+1)X(X+2)X(X+3)=504
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