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Question
Add:
17a2b2 + 16c; 28c − 28a2b2
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Solution 1
(17a2b2 + 16c) + (28c − 28a2b2)
= 17a2b2 + 16c + 28c − 28a2b2
= (17a2b2 − 28a2b2) + (16c + 28c)
= −11a2b2 + 44c
Solution 2
17a2b2 + 16c
+ (−28a2b2 + 28c)
−11a2b2 + 44c
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