Question

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thankful to you
who has answer
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Answer 1

Answer:

a²(a²+b²-c²) - b²{c²-(a²+b²)}

a²(a²+b²-c²) + b²(a²+b²-c²)

(a²+b²-c²)(a²+b²)

{a²+(b+c)(b-c)}(a²+b²)

Answer 2

Your Answer:

a²(a²+b²-c²) - b²{c²-(a²+b²)}

a²(a²+b²-c²) + b²(a²+b²-c²)

(a²+b²-c²)(a²+b²)

{a²+(b+c)(b-c)}(a²+b²)