3 years ago

X^4 - 17x^2 + 16 hhhhhhhhhhhhhhhhhhhhh

1 answer:

defon3 years ago

5 0

Answer:

Step-by-step explanation:

If the question is to factorize

$x^4-17x^2+16\\\\x^4-x^2-16x^2+16\\\\=x^2(x^2-1)-16(x^2-1)\\\\=(x^2-1)(x^2-16)\\\\=(x+1)(x-1)(x-4)(x+4)\\$

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