Question

 x² - 2( a² + b² )x + ( a² - b² )²=?​

Answer 1

see the attached photo

Answer 2

Answer:

a4−2a2b2+b4−2a2x−2b2x+x2

Step-by-step explanation:

Let's simplify step-by-step.

x2−2(a2+b2)x+(a2−b2)2

Distribute:

=x2+−2a2x+−2b2x+a4+−2a2b2+b4

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