jessiegallacher jessiegallacher
  • 09-05-2021
  • Mathematics
contestada

If X-1 = 2
Work out the value of 2x2

Respuesta :

sabarishkumar72
sabarishkumar72 sabarishkumar72
  • 09-05-2021

Answer:

2x

2

−x−2=2(−1)

2

−(−1)−2 [Putting x=−1]

=2×1+1−2=2+1−2

=3−2

=1.

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