36(x-2)(x-2)-49(x+1)(x+1)=0 (2x-3)(2x-3)=3-2x 要这两道题的具体步骤._数学解答

36(x-2)(x-2)-49(x+1)(x+1)=0 (2x-3)(2x-3)=3-2x 要这两道题的具体步骤.

人气：488 ℃　时间：2020-06-16 08:46:05

解答

[6(x-2)]^2-[7(x+1)]^2=0
6(x-2)=7(x+1)
x=-19

4x^2-12x+9=3-2x
4x^2-10x-6=0
2x^2-5x-3=0
x=3 or x=-1/2