1. Fully factor the following expressions. 3} 212 111: + 15 2. Fully factor the following expressions. a1i5'''1 +Sd32 h} n481 c] x +5xy h}13f3 +39f224f 6:" 3. Fully factor the following expressions. a) (x2 + 3x)' +6(x' + 3x) +8 b) 2n' + 14n' -50n - 350 c) 9a2 + 12a + 4- 25624. A room contains 64 chairs. The number 01' chairs per row is four more than three times the number of rows. Find the number of chairs per row. 5. Explain why 2541::I -20xy+ 1632' Is m a fact-arable perfect square tnnamial? Part D: Thinking 6. Choose one of the following: [5 marks] A) Identify all the possible values for k such that 6x3 + kx -4 is factorable. Show your work