Which quadratic equation is equivalent to (x+2)2+5(x+2)-6=0

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

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

What ratio is proportional to 18/21