DM374 DM374
  • 01-02-2021
  • Mathematics
contestada

Evaluate the following when a = 4 and b = 7 (a+b)^2 - (a^2 + b^2)

Respuesta :

Аноним Аноним
  • 01-02-2021

Answer:

56

Step-by-step explanation:

(4+7)²-(4²+7²)=121-65

                     =56

Answer Link
clarch19
clarch19 clarch19
  • 01-02-2021

Answer:

56

Step-by-step explanation:

(4 + 7)² - (4² + 7²)  =  11² - (16 + 49)  =  121 - 65  =  56

Answer Link

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