Question

find the value of x²+2x-1 by using psuni factorization methods ​

Answer 1

Answer:

x=+_√b^2-4ac/2a

=+-√4-4(1) (-1) /2(1)

=+-√8/2

=+-2√2/2

=+-√2

Answer 2

Answer:

x²+(2-1)x-1

x²+2x-x-1

x(X+2)-1(X+1)

(x+2)(X+1)(x-1)

(x+2)(x²-1²)