(x-5)²=2(5-x)(5-x)²=2(5-x)(5-x)²-2(5-x)=0(5-x)(5-x-2)=0(5-x)(3-x)=0x1=5,x2=3(3x-2)²-(x-1)²=0(3x-2-x+1)(3x-2+x-1)=0(2x-1)(4x-3)=0x1=1/2 ,x2=3/43x-9=2(3-x)²2(3-x)²=3x-...