Question

find the value of a and b in x²+ax-2=(x-1)(x+b)​

Answer 1

Answer:

x^2+ax-2=x^2+xb-x-b

=x^2+x(b-1)-b

eauating LHS by RHS

we get ,

a=b-1 & b=2

a= 2-1=1

hence, a=1 &b=2