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alexira
[117]
3 years ago
14
A positive number is 30 less than its square. Find the number.
Mathematics
Answer
Comment
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1
answer:
Veronika
[31]
3 years ago
8
0
<span><span>x = x^2 - 30
or
x^2 - x - 30 = 0
Factors to
(x-6)(x+5) = 0
x = +6 is the positive number</span></span>
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