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katen-ka-za [31]
3 years ago
15

Twenty times a square of a positive integer plus 50 equals negative 40 times the square of the positive integer plus one-hundred

and ten times the positive integer. Which equation could be used to solve for the unknown positive integer.
Mathematics
1 answer:
Dmitrij [34]3 years ago
3 0
Let "x" be the positive integer 
Twenty times a square of a positive integer plus 50:
20x² + 50
Negative 40 times the square of the positive integer plus one-hundred and ten times the positive integer:
-40x² + 100x

The equation could be used is shown below:
20x² + 50 = -40x² +100x
20x² + 40x² -100x + 50 = 0
60x² - 100x +50 =0

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