hamdaanoscar09 hamdaanoscar09

31-10-2021
Mathematics

contestada

Pls help fast pls pls pls pls pls

Pls help fast pls pls pls pls pls class=

Respuesta :

delia74 delia74

31-10-2021

Answer:

[tex] {3a}^{2} - {7b}^{2} + {2a}^{2} + {b}^{2} [/tex]

Step-by-step explanation:

Since 2 opposite add up to 0,remove them from the expression (+4ab, - 4ab)

2. Calculate the product

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