3x + 2 = 11 what is x?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Factor the expression using gcf 9b+45