Question

The number of roots of the equation
2|x²-1| - |x²-x-2|=0 is
where |.| denotes absolute value of x​

Answer 1

Answer:

2

Step-by-step explanation:

2|x²-1| = |x²-x-2|

2x²-1 = x²-x-2

x² +x =0

x(x+1) =0

x=0,x= -1