nceubanks
nceubanks nceubanks
  • 13-03-2019
  • Mathematics
contestada

Does anyone know the answers to this algebra question? Will give brainiest

Does anyone know the answers to this algebra question Will give brainiest class=

Respuesta :

lastbenchstudent
lastbenchstudent lastbenchstudent
  • 13-03-2019
option 1 : -22

using formula

(a + b )(a - b ) = a^2 - b^2

(√10 + 2√8) (√10 - 2√8)

= (√10)^2 - (2√8)^2

= 10 - 2×2×8=10-32

= -22

2nd question answer is option 3
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