Question

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

Answer 1

Answer:

=2a2b2-2b4 Answer

Step-by-step explanation:

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4.0

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1st step, Distribute:

=(a2)(a2)+(a2)(b2)+(-b2)(a2)+(-b2)(b2)+ -a4+2a2b2+-b4

=a4+a2b2+-a2b2+-b4+-a4+2a2b2+-b4

2nd step, Combine Like Terms:

=a4+a2b2+-a2b2+-b4+-a4+2a2b2+-b4 =(a4+-a4)+(a2b2+-a2b2+2a2b2)+(-b4+

-b4)

=2a2b2-2b4 Answer

Answer 2

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