3 years ago

Factor the polynomial expression x^4+18x^2+81

1 answer:

4 0

Answer:

Step-by-step explanation:

Hello,

please consider the following

$x^4+18x^2+81=(x^2)^2+2*(3^2)x^2+(3)^4\\\\=(x^2+9)^2$

hope this helps

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