Problema Solution

Evaluate the variable expression when a = -1, b= 3, c = -2

-4bc

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2a + c

I need to know the solution and how enter the problem into a graphing calculator so I can solve future problems like this! Thanks!

Answer provided by our tutors

putting  the value of a , b and c we get

 

 - 4 ( 3*-2) 

 

--------------                   =  24 /-4     = -6  hence the answer is   -6

 

2 * -1  + (-2)