10n^2+190n-23600 factorise
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Answered by
3
Answer:
10n2 - 190n - 200 = 10 • (n2 - 19n - 20)
Answered by
1
Step-by-step explanation:
10n² + 190n - 23600
10n² - 400n + 590n - 23600
10n ( n - 40 ) + 590 ( n - 40 )
( n - 40 ) ( 10n + 590 ) = 0
n - 40 = 0
n = 40......
10n + 590 = 0
n = -59.....
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