因式分解(x^2+2x+4)(x^2+2x+2)-36

问题描述:

因式分解(x^2+2x+4)(x^2+2x+2)-36

(x^2+2x+4)(x^2+2x+2)-36=(x^2+2x+4)(x^2+2x+4-2)-36=[(x+2)^2][(x+2)^2-2]-36=[(x+2)^2]^2-2(x+2)^2-36=[(x+2)^2]^2-2(x+2)^2+1-37=[(x+2)^2-1]^2-37 =(x^2+2x+4-1)^2-37 =(x^2+2x+3)^2-37 =(x^2+2x+3+√37)(x^2+2x...