Question

5. Factorize the following expressions.
36 - x2 - y2 - 2xy​

Answer 1

Answer:

$36 - {x}^{2} - {y}^{2} - 2xy \\ 36 - ( {x}^{2} + {y}^{2} + 2xy) \\ 36 - {(x + y)}^{2} \\ {(6)}^{2} - {(x + y)}^{2} \\ (6 + x + y)(6 - x - y)$

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