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The area (in square meters),a, of a yard is given by the expression:

a = x^4+18x^2+81

Where x is a positive integer and each dimension is greater than 1 meter. What are two (not necessarily unique) expressions that could represent the dimensions of the yard ?

**In the answer box, write these two expressions as a product that equals the area (e.g. "(expression 1)(expression 2)").**

Guest Aug 30, 2018