document.write( "Question 752992: In an experiment, mr. Jensen gave x+2 beans to each of his x-2 students. If the experiment requires 1596 beans, how many students are in his class? \n" ); document.write( "

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In an experiment, mr. Jensen gave x+2 beans to each of his x-2 students
\n" ); document.write( ". If the experiment requires 1596 beans, how many students are in his
\n" ); document.write( " class?
\n" ); document.write( ":
\n" ); document.write( "(x+2)(x-2) = 1596
\n" ); document.write( "FOIl
\n" ); document.write( "x^2 - 2x + 2x - 4 = 1596
\n" ); document.write( "x^2 - 4 = 1596
\n" ); document.write( "x^2 = 1596 + 4
\n" ); document.write( "x^2 = 1600
\n" ); document.write( "x = $\"sqrt%281600%29\"$
\n" ); document.write( "x = 40
\n" ); document.write( ":
\n" ); document.write( "Find the number of students
\n" ); document.write( "40 - 2 = 38 students
\n" ); document.write( ":
\n" ); document.write( ":
\n" ); document.write( "Check: 42 beans * 38 student = 1596
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