Question

factorise 2x square - 2 x minus one​

Answer 1

By quadratic method

hope you get your answer...✌️❤️

Answer 2

Step-by-step explanation:

2X^2+X^2-2X-1=0

X^2-2X-1=0

-(-2)±√4-4(1)(-1)/2(1)

2±√4+4/2

2+2√2/2

2(1+√2)/2

1+√2