Question

(x-1) is a factor of 2x³ + x² - 2x-1

Solution please step by step ​​

Answer 1

Answer:

(x-1)=> x=1

2x^3+x^2-2x-1

2(1)^3+(1)^2-2(1)-1

2(1)+3(1)-2(1)-1

2+3-2-1

5-3

ANS= 1