因式分解3x^2+4x+1
问题描述:
因式分解3x^2+4x+1
答
原式=3x²+3x+x+1
=3x(x+1)+(x+1)
=(x+1)(3x+1)
因式分解3x^2+4x+1
原式=3x²+3x+x+1
=3x(x+1)+(x+1)
=(x+1)(3x+1)