Answer:
Since both terms are perfect squares, factor using the difference of squares formula.
(x+9y)(x−9y)
If you are finding the perimeter I believe you would just add up the four sides, getting 46
The answer you are looking for is -5x^5-5x^4+6x^3-x^2-7x+20
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Answer:
the maximum height is 180 or y=180
Step-by-step explanation: