Question

simplifique a equação (x-2)2-(x-5).(x-5)+(x2-3x+8)

Answer 1

1. x-2+2-(x^{2} -10x+25)+2x-3x+8
2. x-2+2-x^{2} +10x-25+2x-3x+8
3. x^{2}+x+10x+2x-3x+8-25
4. x^{2} +10x-17=0