What is the integral of x2 with respect to x?
The integral is (1/3)x3 + C, where C is the constant of integration.
Solve the quadratic equation x2 - 4x - 5 = 0
The solutions are x = 5 and x = -1, using the quadratic formula.
What is 7! (7 factorial)?
7! = 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040.