Question

x²+2x–143=0 completing the square

please i have urgent​

Answer 1

Answer:

completing the square method is not in syllabus

Step-by-step explanation:

x2+2x-143=0

x2+13x-11x-143=0

x(x+13) -11(x-13) =0

(x-11) (x-13) =0

x=11,13