What is the equation of the quadratic function represented by the graph: a parabola opening downwards, with vertex (-3, 2) and x-intercepts (-1,0) and (-5,0)?
+
What is the value of x in the cubic equation 3x^3 - 4x^2 + 5x + 2 = 0?
+
What is the value of 5 squared times 4 cubed, raised to the power of square root of 9?