Question

Теорема Виета
1. x^2-8x+7=0
2.x^2+2x=0
3. x^2+2x-3=0
4.3x^2-10x+8=0
5.8x^2-8x+5=0
6.24x^2-10x+1=0
7.3x^2-8x+5=0
8.5x^2+8x+3=0