alwaystry500 alwaystry500

15-08-2022
Mathematics

contestada

the answer is given but I need the method

the answer is given but I need the method class=

Respuesta :

ghanami ghanami

15-08-2022

Answer:

Step-by-step explanation:

hello :

(p+q)² = p²+q² +2pq

when p=7 q=3 2pq = 2 (7)(3) = 42

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