jikmolsavage jikmolsavage

01-03-2021
Mathematics

contestada

What is the value of the expression x to the 2nd power minus (4 plus 3x) when x equal 8

A. 12
B. 36
C. 84
D. 92

Respuesta :

nora801 nora801

01-03-2021

The answer is B. 36. You substitute 8 for each x. So, 3x is 3 times 8 which is 24 and x^2 is 8 times 8 which is 64. Then you do order of operations to find the answer.

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Help me guys. I don’t get this one. Thank you