-3a²-[2a²-(4a²+b²)] – InterviewSolution

1.

-3a²-[2a²-(4a²+b²)]

Answer»

Step-by-step EXPLANATION:

-3a^2-(2a^2-4a^2+b^2)

= -3a^2 - (-2a^2 + b^2)

= -3a^2 + 2a^2 + b^2

= a^2 + b^2

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