bddstd9q9y bddstd9q9y
  • 28-10-2022
  • Mathematics
contestada

Mark incorrectly evaluated the expression
4x + 12-x² at x = 2. His work is shown.
Identify and correct Mark's mistake. Show
your work.
4(2)+12-22
= 4(2)+10²
= 4(2)+100
=8+100
= 108

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