How do you solve the system of equations 4x ^ { 2} + 9y ^ { 2} = 724x2+9y2=72 and x ^ { 2} - y ^ { 2} = 5x2−y2=5?
1 Answer
Jul 21, 2017
See below
Explanation:
To solve the system of equations
I would solve the second equation for
Substitute this into the first equation
combine to get:
subtract
divide both sides by 13:
Substitute into the other equation