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Sati [7]
3 years ago
13

If 2 is added to the square of an integer, the result is 7 less than 10 times that integer. Find the integer(s). (Enter your ans

wers as a comma-separated list. Simplify your answer completely.)
Mathematics
1 answer:
Maurinko [17]3 years ago
3 0
Let the integer be x.

x^{2}  + 2 = 10x - 7
x^{2}  - 10x  + 9 = 0
Solve quadratic equation:
x=9 or x=1
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