Let f(x)=x-3 and g(x)= x^2-x. find and simplify the expression. (f+)

What is the factored form of the following expressions? d^2 – 13d + 36

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.