Here are pairs of equivalent expressions—one in standard form and the other in factored form. Find the missing numbers. Type the answers in the boxes below. 1. x2 + x + and (x+1)(x+17) 2. x2+9x+14 and (x+2 )(x + ) 3. x2−7x+10 and (x−2 )(x − ) 4. x2−9x+20 and (x − )(x − )