What would i need to find the fourth point of this?

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

X+y=-4 x-y=2 use elimination with adding and subtraction