赞 didibear123 春芽
共回答了13个问题采纳率：84.6% 举报
(x-1)(x+3)(x-4)(x-8)+1996
=[(x-1)(x-4)][(x+3)(x-8)]+1996
=(x^2-5x+4)(x^2-5x-24)+1996
=(x^2-5x)^2-20(x^2-5x)-96+1996
=(x^2-5x)^2-20(x^2-5x)+1900
=x^4-10x^3+25x^2-20x^2+100x+1900
=x^4-10x^3+5x^2+100x+1900
=[(x-1)(x-4)][(x+3)(x-8)]+1996
=(x^2-5x+4)(x^2-5x-24)+1996
=(x^2-5x)^2-20(x^2-5x)-96+1996
=(x^2-5x)^2-20(x^2-5x)+1900
=x^4-10x^3+25x^2-20x^2+100x+1900
=x^4-10x^3+5x^2+100x+1900
1年前
5
共回答了3个问题 举报
(x-1)(x+3)(x-4)(x-8)+1996
=[(x-1)(x-4)][(x+3)(x-8)]+1996
=(x^2-5x+4)(x^2-5x-24)+1996
=(x^2-5x)^2-20(x^2-5x)-96+1996
=(x^2-5x)^2-20(x^2-5x)+1900
=x^4-10x^3+25x^2-20x^2+100x+1900
=x^4-10x^3+5x^2+100x+1900
=x（x^3-10x^2+5x+100)+1900
=[(x-1)(x-4)][(x+3)(x-8)]+1996
=(x^2-5x+4)(x^2-5x-24)+1996
=(x^2-5x)^2-20(x^2-5x)-96+1996
=(x^2-5x)^2-20(x^2-5x)+1900
=x^4-10x^3+25x^2-20x^2+100x+1900
=x^4-10x^3+5x^2+100x+1900
=x（x^3-10x^2+5x+100)+1900
1年前
2
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