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OpenStudy (anonymous):
-5n (-9n + 1) help Anyone???
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jimthompson5910 (jim_thompson5910):
-5n times -9n is ???
OpenStudy (anonymous):
45n
jimthompson5910 (jim_thompson5910):
n*n = n^2
jimthompson5910 (jim_thompson5910):
so it's really 45n^2
jimthompson5910 (jim_thompson5910):
-5n times 1 = ???
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OpenStudy (anonymous):
-5n?
jimthompson5910 (jim_thompson5910):
so -5n (-9n + 1) -5n (-9n ) - 5n(1) -5n times -9n - 5n times 1 45n^2 - 5n So \[\Large -5n (-9n + 1) = 45n^2 - 5n\]
OpenStudy (anonymous):
thank you so much
jimthompson5910 (jim_thompson5910):
sure thing
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