Question

x⁴-2x²-1

Answer 1

whats the question..what have you tried

Answer 2

x⁴-2x²-1 factors complete

Answer 3

Hint: Let \(x^2 = y\):

\[y^2-2y - 1\]

Now try to factor

Answer 4

i can't

Answer 5

can you help me ?

Answer 6

@yomiguo Think of this problem as the following:

x⁴- 2x² - 1 = (x^2)^2 - 2 (x^2) - 1.

Do you know how to factor a^2 - 2a - 1 ?

Answer 7

i dont know