1jazminalcala 1jazminalcala

05-12-2020
Mathematics

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(X-1)(y-1) area as product? And area as sum?

Respuesta :

mabelleanne mabelleanne

05-12-2020

Step-by-step explanation:

product

(x-1)(y-1)

xy-x-y+1

xy-xy+1 (eliminate xy)

=1

sum

x-1 + x-1 + y-1 + y-1

2x-2 + 2y-2

=2x + 2y -4

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