Question

please solve this quadratic equation -x²+x+156=0​

Answer 1

Answer:

Step-by-step explanation:

x²-x-156 =0

x²-13x+12x-156 =0

x(x-13)+12(x-13)=0

(x-13)(x+12)=0

x-13 = 0  , x+12 =0

x=13 ,x= -12