Someone please help me! Show all work to factor x4 − 5x2 + 4 completely.

Mathematics

1 answer:

MakcuM [25]2 years ago

4 0

Step-by-step explanation:

=>x⁴-5x²+4

=>x⁴-x²-4x²+4

=>x²(x²-1)-4(x²-1)

=>(x²-1)(x²-4)

=>(x+1)(x-1)(x+2)(x-2)

hope this helps you.

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