sebikacarkey sebikacarkey
  • 07-09-2021
  • Mathematics
contestada

if a =3 and b=2 find the value of (a-b)2- 2ab​

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tusigaasiata2021
tusigaasiata2021 tusigaasiata2021
  • 07-09-2021

Answer:

[tex](a - b)2 - 2ab \\ (3 - 2) \times 2 - 2 \times 3 \times 2 \\ 1 \times 2 - 2 \times 3 \times 2 \\ 3 - 12 \\ - 9[/tex]

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PeterPan58
PeterPan58 PeterPan58
  • 07-09-2021
Answer:

(a-b)2-2ab
=(3-2)2-2x3x2
=1x2-12
=2-12
= -10

Hope it helps u! :)
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