SOLUTION: Perform the indicated operations and simplify
1. 2x-3{x+2[x-(x+5)]+1}
2. (m-n)(m+n)
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Question 260321: Perform the indicated operations and simplify
1. 2x-3{x+2[x-(x+5)]+1}
2. (m-n)(m+n)
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
1. 2x-3{x+2[x-(x+5)]+1}
step 1 - start with inner most parentheses to get
2x-3{x+2[-5)]+1}
step 2 - move to second set and we get
2x-3{x-9}
step 3 - move to last set to get
2x-3x+27
which is
-x+27
--
2. (m-n)(m+n)
using foil, we get
m^2
mn
-mn
-n^2
combine the two middle terms to get
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