Question 1115301
Find the sum of 
1.)  5x^2,3ab,-2ab, -4a^2,5ab,-2a^2
5x^2 + 3ab -2ab -4a^2 + 5ab -2a^2
Combine like terms.  The 3 ab terms and the 2 a^2 terms
= 5x^2 + 6ab - 6a^2
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2.) 5ax,-3bc,-2ab,7ax,bc -2bc
Same as #1