Question

Решите уравнение$(5x-1) ^{2} +(12x+1) ^{2} =(13x-1) ^{2}$

Answer 1

25х²-10х+1+144х²+24х+1=169х²-26х+1
169х²-169х²+14х+26х=-1
40х=-1
х=-1/40=-0,025