2a(x²+1²)-8ax²因式分解
问题描述:
2a(x²+1²)-8ax²因式分解
答
2a[(x^2+1)-4x^2]=2a*(1-3x^2)=2a*(1+√3 x)(1-√3 x)
答
2a(x²+1)²-8ax²=2a[(x²+1)²-4x²]=2a[(x²+1)+2x][(x²+1)-2x]=2a(x²+2x+1)(x²-2x+1)=2a(x+1)²(x-1)²