问一下(2x-3)(2x-3)=x2-6x+9
问题描述:
问一下(2x-3)(2x-3)=x2-6x+9
(2x-3)(2x-3)=x2-6x+9,二元一次方程,
答
(2x-3)(2x-3)=x2-6x+94X^2-6x+9=x2-6x+93x^2=0x=0
问一下(2x-3)(2x-3)=x2-6x+9
(2x-3)(2x-3)=x2-6x+9,二元一次方程,
(2x-3)(2x-3)=x2-6x+94X^2-6x+9=x2-6x+93x^2=0x=0