Answer:
-45k+90
Step-by-step explanation:
Re-order terms so constants are on the left
(5k-10) · -9
-9(5k-10)
Distribute
-9(5k-10)
[-9 · 5k = -45k] Negative + Positive = Negative
[-9 · -10 = 90] Negative + Negative = Positive
-45k+90
Hence, -45k+90 is the Answer.
[RevyBreeze]
