Answer :
Answer:
(xy-6)^2+(3x+2y)^2 was the correct answer on ap.ex
Step-by-step explanation:
The expression is (xy + 6)² + (2y - 3x)²
What is expression?
An expression is a set of terms combined using the operations +, – , x or /.
Given:
(x²+4)(y²+9)
= (x²+2²)(y²+3²)
=(xy)² + (3x)² + (2y)² + (2.3)²
= (xy)² + (2.3)² + (2y)² + (3x)²
= (xy)² + 2(6)(xy) + (2.3)² + (2y)² - 2 (6)(xy) + (3x)²
=(xy + 6)² + (2y - 3x)²
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