(1).(2-3a^2)(3a^2-2)

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/17 23:41:29

(1).(2-3a^2)(3a^2-2)
(2)(1/2x+2)(1/2x+2)+(-3-x)(-x-3)
^号代表平方．

(1).(2-3a^2)(3a^2-2)
=[-(3a^2-2)](3a^2-2)
=-(3a^2-2)^2
=-(9a^4-12a^2+4)
=-9a^4+12a^2-4
(2)(1/2x+2)(1/2x+2)+(-3-x)(-x-3)
=(1/2x+2)^2+(-3-x)^2
=(1/4x^2+2x+4)+(9+6x+x^2)
=5/4x^2+8x+13

(a 1)(a 2)(a 3)(a a(a-1)(a-2)(a-3)(a-4)因式分解【1】a+a=a×a a= [ ]【2】a×a=a÷a a=[ ]【3】a×a=a－a a=[ ] [4]a－a=a＋a 合并同类项3a*3a+a*a-(2a*2a)+(3a-a*a) a+a^2+a^3+a^4 (a+1)(a+2)(a-3)计算 1A,2A,3A... 因式分解：a(a-2)(a-3)(a+1)+2 (a-1)(a-2)(a-3)(a-4)-3因式分解, 计算;(a^3)^4+a^10×a^2-a×a^2-a*a^3*a^8 (2a^2+3a+2)/(a+1)-(a^2-a-5)/(a+2)-(3a^2-4a-5)/(a-2)+(2a^2-8a 1+a^1+a^2+a^3+.+a^n=?