Question

How to factorise x square minus x plus 12

Answer 1

Answer:x² -x+12

factorisation: (x-1)x+12

here a=1 b=-1 c=12

D=b²-4ac

(-1)²-4×1×12

1-48

47  

x=-b²±√D/2a

x=-(-1)±√47/2

x=1±√47/2

either   x=1+√47/2          or x=1-√47/2