Question

Using the factor theorem find the factors of :
a)2x^2+x-1​

Answer 1

Answer:

2x^2+x-1=0

2x^2+2x-x-1=0

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

(2x-1)(x+1)=0

x=1/2 and -1

Answer 2

Step-by-step explanation:

2x^2 + x - 1

= 2x^2 + 2x - x - 1

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

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

THANKS