document.write( "Question 400138: use the quadratic formula to solve equation 3x(2squared)-30x-180=0 \n" ); document.write( "
Algebra.Com's Answer #283334 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

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document.write( "Hi
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document.write( "solving using the quadratic formula
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document.write( " 3x^2-30x-180=0
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document.write( "3(x^2 -10x-60) = 0
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document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
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document.write( "\"x+=+%2810+%2B-+sqrt%28+340+%29%29%2F%282%29+\"
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document.write( "\"x+=+%2810+%2B-+sqrt%28+4%2A85+%29%29%2F%282%29+\"
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document.write( "\"x+=+5+%2B-+1%2Asqrt%28+85+%29+\"
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document.write( "x = {14.2195, -4.2195} \n" );
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