Question

因式分解的几道题,如下①-x^4+16 ②3x^2-1/3 ③-(x+2)^2+16(x-1)^2 ④(3x-2y)^2

Answer 1

1.-x^4+16=-(x^4-16)=-(x^2+4)(x^2-4)=-(x^2+4)(x+2)(x+2) 2.3x^2-1/3=1/3(9x^2-1)=1/3(3x+1)(3x-1) 3.-(x+2)^2+16(x-1)^2=16(x-1)^2-(x+2)^2=(5x-2)(5x-6) 4.(3x-2y)^2-(2x-3y)^2=(5x-5y)(x+y)

5.你没写错题吧!6.-(x-2)^2 剩下的自己写,抄袭不好啊,累死我了!