D.(7-2 k) (2k -7) = tolong dong By Admin ReiPosted on December 7, 2022 D.(7-2 k) (2k -7) = tolong dong (7 – 2k)(2k – 7) 7 × 2k + 7 × (-7) – 2k × 2k – 2k × (-7) 14k + (-49) – 4k² – (-14k) 14k – 49 – 4k² + 14k 28k – 49 – 4k² 4k² + 28k – 49 Semoga membantu,, ^_^