Someone could answer my last question please i really need help

Find the indicated value, where g(t) = t^2-t and f(x)= 1+x a. -2 b. 0 c. 2 d. 8

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9