document.write( "Question 1118909: Prove that the |P{B}| =4, Given the set B={ x| x € Z, x2+3x+2=0}\r
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Algebra.Com's Answer #734334 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Sorry, not familiar with the notation: |P{B}|. All I can point out is that the enumeration of the set B is {-1,-2}, because the two roots of

are

and

, which coincidentally happen to be integers.
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\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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