Question

(x-5)^2-x^2=0 помогите

Answer 1

${x}^{2} - 10x + 25 - {x}^{2} = 0 \ - 10x + 25 = 0 \ 10x = 25 \ x = 2.5$

Answer 2

$tt(x-5)^2-x^2=0\(x-5-x)(x-5+x)=0\-5(2x-5)=0\2x-5=0\2x=5\x=5:2\x=2,5$