Respuesta :
x^2-14x+31=63 subtract 31 from both sides
x^2-14x=32 divide by -14 in both sides
x^2=-2.285714286 find the square root of both sides
x=-1.511857892
Round it and you get -1.5
x^2-14x=32 divide by -14 in both sides
x^2=-2.285714286 find the square root of both sides
x=-1.511857892
Round it and you get -1.5