Question

please factorize the sum which I have give tick mark​

Answer 1

Step-by-step explanation:

9(x + y)² - 16(x - 2y)²

9(x² + y² + 2xy) - 16(x² + 4y² - 4xy)

9x² + 9y² + 18xy - 16x² - 64y² + 64xy

= -7x² - 55y² + 82xy

Answer 2

Answer:

-7x^2-55y^2+82xy

Hope this will help you

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