Question

Please solve this algaebric expression

a²-[b²-{a²-(2b²-a²+b²)}]


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Answer 1

Answer:

3a²-4b²

Step-by-step explanation:

a²-[b²-{a²-(2b²-a²+b²)}]

a²-[b²-{a²-(3b²-a²)}]

a²-[b²-{a²-3b²+a²}]

a²-[b²-{2a²-3b²}]

a²-[b²-2a²+3b²]

a²-[4b²-2a²]

a²-4b²+2a²

3a²-4b²

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