Answer:
[tex]5k^{2} -53k+72[/tex]
Step-by-step explanation:
[tex](k - 9) (5k - 8)[/tex]
Apply the distributive property by multiplying each term of k - 9 by each term of 5k - 8 :
[tex]5k^{2} -8k-45k+72[/tex]
Combine -8k and 045k to get -53k:
[tex]5k^{2} -53k+72[/tex]
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