Question

-4a²b+7+10a²b. what is this when it's simplify?

Answer 1

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