Difference between revisions of "2002 AMC 10B Problems/Problem 4"

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== Problem ==
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#REDIRECT[[2002 AMC 12B Problems/Problem 2]]
 
 
What is the value of
 
 
 
<math>(3x-2)(4x+1)-(3x-2)4x+1</math>
 
 
 
when <math>x=4</math>?
 
 
 
<math> \mathrm{(A) \ } 0\qquad \mathrm{(B) \ } 1\qquad \mathrm{(C) \ } 10\qquad \mathrm{(D) \ } 11\qquad \mathrm{(E) \ } 12 </math>
 
 
 
== Solution ==
 
 
 
<math>(10)(17)-(10)(16)+1=170-160+1=11\Longrightarrow\mathrm{ {D} \ }</math>
 

Latest revision as of 16:25, 28 July 2011