Which shows the equation 13x-6x=(2x-5)² +3 written in the form ax²+bx+c=0?
1) 13x-6x=(2x-5)² +3 = 0
2) 13x-6x=(2x-5)² +3 = 1
3) 13x-6x=(2x-5)² +3 = 2
4) 13x-6x=(2x-5)² +3 = 3