IM GONNA FAIL MY QUADRATIC FORMULAS TEST HELP PLSSS! I need you to tell me how many of these formulas I can use on the equation:
a) Square Roots
b) Quadratic Formula
c) Completing the Square
d) Factoring/Zero Product Property

Problem number 26 of the rhind papyrus says: find a quantity such that when it is added to of itself the result is a 15. the modern day equation that models this problem is x + x = 15. what is the solution to the equation? x = 10 x = 12 x = 15 x = 30