SOLUTION: Given x^3 + x^2 * y - 20 = 0 and y^3 + x * y^2 - 45 = 0 what is y?
It is also given that x and y are positive real numbers
Algebra.Com
Question 1119601: Given x^3 + x^2 * y - 20 = 0 and y^3 + x * y^2 - 45 = 0 what is y?
It is also given that x and y are positive real numbers
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
This approach was not yet rechecked carefully.....
First Equation,
Second Equation,
Two expressions for x+y are equal.
Assuming the PLUS form would work,
Substitute this into the second equation:
Solution not yet been checked carefully
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