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Mark incorrectly evaluated the expression 4x+12-x to the power of 2 where is x-2. Identify and correct mark’s mistake.


Plsss help mw

Sagot :

Answer:

The value of [tex]4x+12-x^2[/tex] is 16.

Step-by-step explanation:

The given expression is [tex]4x+12-x^2\ at\ x=2[/tex].

Put x = 2 in the above expression as follows :

[tex]4x+12-x^2=4(2)+12-(2)^2\\\\=8+12-4\\\\=16[/tex]

Hence, the final answer is 16.

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