Respuesta :

mohammed1819049

Answer:

x={7,3}

Step-by-step explanation:

x^2-2x+9+12=0

x^2-2x+21=0

(x-7)(x-3)=0

x-7=0

x=7

x-3=0

x=3

so

x={7,4}

BluePapa371

Answer:

there is no solution to this problem

you can replace it with whatever number you want