(x+2)2= 2x+4
(x+-1)2=2x-1
(3x+4)2=9x2 +16
(5x+2)2=25x2 +4
(1/2x-6)2= ???
(x-7y)2=2x + 49
(5x-1)(5x+1)=25x2 + 5x -5x -1
(√2-1)2=3-2[tex]\sqrt{2}[/tex]
(3x-10)(3x+10)=9x2 +30x -30x - 100
(3[tex]\sqrt{2}[/tex]+6)2=54+36[tex]\sqrt{2}[/tex]
