Question

3. (x2 + 1)2 – x2 = 0 has ............. real roots.​

Answer 1

Step-by-step explanation:

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

2x+1=0

2x=-1

x=-1/2

Answer 2

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

2x+1=0

2x=-1

x=-1/2