(32-2x)(24-2x)=(32+24)/2
(32-2x)(24-2x)=56/2
(32-2x)(24-2x)=28
2(16-x)(24-2x)=28
(16-x)(24-2x)=14
2(16-x)(12-x)=14
(16-x)(12-x)=7
x^2-28x+192=7
x^2-28x+185=0
x^2-28x+196-196+185=0
(x-14)^2-11=0
(x-14-√11)(x-14+√11)=0
x=14+√11或x=14-√11
(32-2x)(24-2x)=(32+24)/2
(32-2x)(24-2x)=56/2
(32-2x)(24-2x)=28
2(16-x)(24-2x)=28
(16-x)(24-2x)=14
2(16-x)(12-x)=14
(16-x)(12-x)=7
x^2-28x+192=7
x^2-28x+185=0
x^2-28x+196-196+185=0
(x-14)^2-11=0
(x-14-√11)(x-14+√11)=0
x=14+√11或x=14-√11