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3 votes
Simplify: (a4 - 6a + 5) - (a4 - 3a + 2a2 - 6)

1 Answer

2 votes
(a4-6a+5)-(a4-3a+4a-6)
by expressing like term
a4-a4=0
-6a-(-3a+4a)=-5a
5-(-6)=11
:we have-5a+11
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