Smandjmjbett Smandjmjbett

29-12-2016
Mathematics

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When 36 is subtracted from the square of a number three result is 5 times the number. what is the positive solution?

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Joshtray Joshtray

29-12-2016

[tex] x^{2} -36=5x[/tex]
[tex] x^{2} -5x-36=0[/tex]
This is a quadratic equation
Skipping ahead, you'll get that x = 9 or -4
Since the positive solution is needed the answer is 9

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