brianangarita09 brianangarita09
  • 31-01-2018
  • Mathematics
contestada

which polynomial identity will prove that 49=(2+5)^2

Respuesta :

DontMindJerry
DontMindJerry DontMindJerry
  • 31-01-2018
(a+b)² = a²+2ab+b²

And for a = 2 and b = 5

(2+5)² = 2²+2(2)(5)+5²

(2+5)² = 4+20+25

(2+5)² = 49

Hope this helped. 
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