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____ [38]
3 years ago
9

What are the missing terms???

Mathematics
1 answer:
Ivenika [448]3 years ago
6 0

Answer:

x^{4} +18x^{2} +81=(x^{2} )^{2}+2(9)^{2} +(3)^{4} \\x^{4} +18x^{2} +81=(x^{2} +9)^{2}

Step-by-step explanation:

This is just a perfect square

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