Seudónimo Seudónimo
  • 03-05-2017
  • Mathematics
contestada

Evaluate the expression 2ab3 + 6a3 - 4ab2 when a = 2 and b = 4.

Respuesta :

hadilhauter10
hadilhauter10 hadilhauter10
  • 03-05-2017
2(2)(4)3+6(2)3-4(2)(4)2
   48      +  36  -  64
          74         -  64
                 = 10 




Answer Link
Nadia05
Nadia05 Nadia05
  • 03-05-2017
2(2x4)3 + 6(2)3 - 4(2x4)2
 (4x8)3 + (12)3 - (8x16)2
  (32)3 + (12)3 - (128)2
        96 + 36 - 256
              -124
Answer Link

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