Question

what is expansion ?describe with example​

Answer 1

Answer:

Expansion is defined as the act of getting bigger or something added onto something else. An example of an expansion is an extra three rooms built onto a house.

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Answer 2

$\huge{ \pink{ \bold{ \boxed{{ {x}^{2} + {y}^{2} = {(x + y)}^{2} - 2 xy}}}}}$