document.write( "Question 980897: hello :) hope anyone can help me
\n" ); document.write( "Solve by using the quadratic equation
\n" ); document.write( "X=- b+_ sqrt ( (B)^2 -4(a) (c)
\n" ); document.write( "All over 2(a)
\n" ); document.write( "1.) a^2+2(a+3)=0\r
\n" ); document.write( "\n" ); document.write( "2.) x^2-3(2x+3)=0\r
\n" ); document.write( "\n" ); document.write( "3.) 3y(y-5)=6\r
\n" ); document.write( "\n" ); document.write( "4.) 2(3x^2+1) =\r
\n" ); document.write( "\n" ); document.write( "Hope anyone can help me solve :)
\n" ); document.write( "Kindly could you explain how too?
\n" ); document.write( "Thnak you bery much!\r
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Algebra.Com's Answer #601947 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "1.) \r
\n" ); document.write( "\n" ); document.write( "\"a%5E2%2B2%28a%2B3%29=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"a%5E2%2B2a%2B6=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" ...note your coefficient \"a=1\", unknown variable \"x\" is \"a\", coefficient \"ba=2\", and constant \"c=6\"\r
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\n" ); document.write( "\n" ); document.write( "\"a+=+%28-2+%2B-+sqrt%28+2%5E2-4%2A1%2A6+%29%29%2F%282%2A1%29+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"a+=+%28-2+%2B-+sqrt%28+4-24+%29%29%2F2+\"\r
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\n" ); document.write( "\n" ); document.write( "\"a+=+%28-2+%2B-+sqrt%28+-20+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28-2+%2B-+sqrt%28+-4%2A5+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28-2+%2B-+2sqrt%28+5+%29%2Ai%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28-cross%282%291+%2B-+cross%282%29sqrt%28+5+%29%2Ai%29%2Fcross%282%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"a+=+%28-1+%2B-sqrt%28+5+%29%2Ai%29+\"\r
\n" ); document.write( "\n" ); document.write( "solutions: there is no real solutions (so, there is no x-intercepts), just complex solutions\r
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\n" ); document.write( "\n" ); document.write( "\"a+=+-1+%2Bsqrt%28+5+%29%2Ai+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"a+=+-1+-sqrt%28+5+%29%2Ai+\"\r
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\n" ); document.write( "\n" ); document.write( "2.) \r
\n" ); document.write( "\n" ); document.write( "\"x%5E2-3%282x%2B3%29=0\"
\n" ); document.write( "\"x%5E2-6x-9=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%28-6%29+%2B-+sqrt%28+%28-6%29%5E2-4%2A1%2A%28-9%29+%29%29%2F%282%2A1%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+36%2B36+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+2%2A36+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+sqrt%28+2%2A6%5E2+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%286+%2B-+6sqrt%28+2+%29%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28cross%286%293+%2B-+cross%286%293sqrt%28+2+%29%29%2Fcross%282%291+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%283+%2B-+3sqrt%28+2+%29%29+\"\r
\n" ); document.write( "\n" ); document.write( "solutions:
\n" ); document.write( "exact
\n" ); document.write( "\"x+=+3+%2B+3sqrt%28+2+%29+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+3+-3sqrt%28+2+%29+\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "approximate:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+7.24+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-1.24+\"\r
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\n" ); document.write( "\n" ); document.write( "3.) \r
\n" ); document.write( "\n" ); document.write( "\"3y%28y-5%29=6\"\r
\n" ); document.write( "\n" ); document.write( "\"3y%5E2-15y=6\"\r
\n" ); document.write( "\n" ); document.write( "\"3y%5E2-15y-6=0\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%28-%28-15%29+%2B-+sqrt%28+%28-15%29%5E2-4%2A3%2A%28-6%29+%29%29%2F%282%2A3%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%2815+%2B-+sqrt%28+225%2B72+%29%29%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%2815+%2B-+sqrt%28+297+%29%29%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%2815+%2B-+17.23%29%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "solutions:\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+%2815+%2B+17.23%29%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+32.23%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+5.37+\"\r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"y+=+%2815+-+17.23%29%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+-2.23%2F6+\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+-0.37+\"\r
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\n" ); document.write( "\n" ); document.write( "4.) \r
\n" ); document.write( "\n" ); document.write( "\"2%283x%5E2%2B1%29+=0\"\r
\n" ); document.write( "\n" ); document.write( "\"6x%5E2%2B2+=0\"\r
\n" ); document.write( "\n" ); document.write( "\"6x%5E2+=-2\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2+=-2%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E2+=-1%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=sqrt%28-1%2F3%29\"\r
\n" ); document.write( "\n" ); document.write( "solutions: complex\r
\n" ); document.write( "\n" ); document.write( "\"x+=++sqrt%28-1%2F3%29+\"=>\"x+=+sqrt%28-1%29%2Fsqrt%283%29\"=>\"x+=+i%2Fsqrt%283%29\"\r
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\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-+sqrt%28-1%2F3%29+\"=>\"x+=+-sqrt%28-1%29%2Fsqrt%283%29\"=>\"x+=+-i%2Fsqrt%283%29\"\r
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