OpenStax, Intermediate Algebra 2e §11.5 Solve Systems of Nonlinear Equations · Exercise 45 · Algebra · Systems
Solve Systems of Nonlinear Equations · Exercise 45
Solve the problem using a system of equations.
The difference of the squares of two numbers is 15. The difference of twice the square of the first number and the square of the second number is 30. Find the numbers.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Intermediate Algebra 2e · §11.5 Solve Systems of Nonlinear Equations · Exercise 45
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