Question

4x²-4a²x-(a⁴-b⁴) by middle term split
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Answer 1

4x^2 - 4xa^2 +a^4 = b^4

( 2x -a^2 )^2  =  (b^2)^2

2x - a^2 = + b^2 or  - b^2

x = (a^2 - b^2 ) / 2  or ( a^2  + b^2 ) /2

Answer 2

Answer:

b²+a² b²-a²

--------- , -------------

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