化简(a+1)x(a+2)x(a+3)x(a+4)要有过程,尽量详细.
网友回答
(a+1)x(a+2)x(a+3)x(a+4)
=a+1)x(a+4)x(a+2)x(a+3)
=(a^2+5a+4)(a^2+5a+6)
=(a^2+5a)^2+10(a^2+5a)+24
=a^4+10a^3+35a^2+50a+24
======以下答案可供参考======
供参考答案1:
原试等于(a+1.5_0.5)*(a+1.5+0.5)*(a+3.5_0.5)(a+3.5+0.5)再用平方差公式化简即可。
供参考答案2:
(a+1)x(a+2)x(a+3)x(a+4)
=[(a+1)x(a+4)]x[(a+2)x(a+3)]
=(a^2+5a+4)(a^2+5a+6)
=(a^2+5a)^2+10(a^2+5a)+24
=a^4+10a^3+25a^2+10a^2+50a+24
=a^4+10a^3+35a^50a+24
运用整体思想