Question

find the factor of tahe polynomial 2xsquare+x-1​

Answer 1

(x+1)(2x-1)

Step-by-step explanation:

$2 {x}^{2} + x - 1 \\ = 2 {x}^{2} + 2x - x - 1 \\ = 2x(x + 1) - (x + 1) \\ = (x + 1)(2x - 1)$