Answer :
Answer:
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Step-by-step explanation:
The given expression is:
ab(x² + y²) - xy(a² + b²)
This expression can be simplified by distributing the terms:
abx² + aby² - a²xy - b²xy
Rearranging the terms, we get:
x²(ab - a²) + y²(ab - b²)
Factorizing the expression, we get:
x²(b(a - b)) + y²(a(b - a))
This is the simplified form of the given expression.