Question

solve following by suitable identity (x-10) (X+9)​

Answer 1

Answer:

(x-10)(x+9)

x(x+9)-10(x+9)

x^+9x-10x-90

x^-x-90.eqn.

Or...

(x-10)(x-9)=0

x-10=0 and x-9=0

x=10 and x=9

Two zeros of polynomial =10 and 9.

Answer 2

solve following by suitable identity (x-10) (X+9)