How to factor a simple quadratic equation.

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9