What are the solutions to the equation? x2 + 6x = 40

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

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

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square