Asked by Anonymous

Find a positive real number such that its square is equal to 4 times the number, increased by 60.

Answers

Answered by Reiny
Did you translate the English into Math?

I said:

x^2 = 4x + 60

now you have a nice and simple quadratic which factors.

x^2 - 4x - 60 = 0

solve for x, and take only the positive result



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