Question (need in 50 min ish please and thanks)

5. Expand -6(x + 5)2 - 20 into standard form (3 Marks) T 6. Find the maximum and minimum of the following using only one method for each (vertex or factored) (4 Marks Each) a) y = 3x2 - 27x + 5 b) y = 5x2 + 30x + 45