Respuesta :

binitas766

Answer:

53

Step-by-step explanation:

xyz + x² - y²

= 3*4*5 + 3^2 -4^2

=60+9-16

=69-16

=53

Answer:

53

Step-by-step explanation:

345+3^2-4^2

3^2=9

4^2=16

3*4*5=60

60+9-16=53

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