Question 73022
<pre>
Evaluate b²– 2bc + c² if b = 3 and c = –2. 

To evaluate a variable expression, substitute the given number for each variable. 

     b²– 2bc + c² , if b = 3 and c = –2
     
     3²– 2(3)(-2) + (-2)² 
     9 - (-12) + 4
     9 + 12 + 4
     25

A)–7
B)1
C)17
<b><u>D)25 </b></u> -------> answer