8+n
is eassy
2.3 + n + 1.4 = n + 3.7
9m - 14n
Combine like terms to give 3n + 2
5m-13n-n+4m= (5+4)m+(-13-1)n= 9m-14n
n - 10 + 9n - 3 n + 9n - 10 - 3 10n - 13
Since n! is the product of all the numbers from 1 through n and (n+1)! is everything in n! multiplied by n+1, the quotient is n+1 ■
Gather the m's and n's by rewriting it. 7m - 11n - n + 5m 7m + 5m -11n - n (7m + 5m) + (-11n - n) 12m - 12n ■
6m + m + m + 4y + n + y + 12 + 2n Group like terms: 6m + m + m + 2n + n + 4y + y + 12 Add: 8m + 3n + 5y + 12
n^3 (n cubed)
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