Question

(2x–5)²–0,5=(2x–1)(2x+1)–15 помогите срочно

Answer 1

4x^2-20x+25-0,5=4x^2+2x-2x-1-15
4x^2-4x^2-20x=-16-25+0,5
-20x=-40,5
x=-40,5/(-20)
x=2,025