Answer: (x^4 + x^3 - 12x^2 - 9 ) / x^2
Step-by-step explanation:
x^2 - 9/x^2 +x - 12
(x^2 - 9 + x^3 - 12x^2)/x^2
(x + 3) (x² - 2x - 6)
______________
x
.712 rounds to .7
.665 rounds to .7
.545 rounds to .5
Answer: 3580.50
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