document.write( "Question 64498: Can you please help me solve using the quadratic equation?\r
\n" ); document.write( "\n" ); document.write( "x^2 + 2x - 24 = 0\r
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Algebra.Com's Answer #45131 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
Can you please help me solve using the quadratic equation?
\n" ); document.write( "x^2 + 2x - 24 = 0
\n" ); document.write( ":
\n" ); document.write( "The equation is in the form ax^2 + bx + c, so in this problem:
\n" ); document.write( "a = +1; b = +2; c = -24
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\n" ); document.write( "The quadratic formula:
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( ":
\n" ); document.write( "Substituting for a, b, & c:
\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28+2%5E2-4%2A1%2A-24+%29%29%2F%282%2A1%29+\"
\n" ); document.write( ":
\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28+4+-+%28-96%29+%29%29%2F%282%29+\"
\n" ); document.write( ":
\n" ); document.write( "Remember a minus a minus is a plus:
\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28+4+%2B+96%29+%29%2F%282%29+\"
\n" ); document.write( ":
\n" ); document.write( "\"x+=+%28-2+%2B-+sqrt%28100%29%29%2F%282%29+\"
\n" ); document.write( ":
\n" ); document.write( "\"x+=+%28-2+%2B-+10+%29%2F%282%29+\"
\n" ); document.write( ":
\n" ); document.write( "Find two solutions:
\n" ); document.write( "\"x+=+%28-2+%2B+10+%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%288+%29%2F%282%29+\"
\n" ); document.write( "x = 4
\n" ); document.write( "and:
\n" ); document.write( "\"x+=+%28-2+-+10+%29%2F%282%29+\"
\n" ); document.write( "\"x+=+%28-12+%29%2F%282%29+\"
\n" ); document.write( "x = -6
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\n" ); document.write( "Memorize this procedure, you will use it alot. Print it out if you wish.\r
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