Simplify the following:
-4 a^2 b + 7 + 10 a^2 b
Grouping like terms, -4 a^2 b + 7 + 10 a^2 b = (10 a^2 b - 4 a^2 b) + 7:
(10 a^2 b - 4 a^2 b) + 7
10 (a^2 b) - 4 (a^2 b) = 6 (a^2 b):
Answer: 6 a^2 b + 7

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