Question 9 • (AG Q2) Keystone Algebra 1 Block: 26-27(DDiamond)
To factor x² − 12x + 27, find two numbers whose product is 27 and whose sum is −12. Those numbers are −9 and −3, so the polynomial factors as (x − 9)(x − 3). This is choice D.
AI-written and checked against the verified answer.