document.write( "Question 373705: How to solve 2x^2 + 7 = 61 and 5z^2-200 = 0\r
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Algebra.Com's Answer #265945 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( "solve  
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document.write( "2x^2 + 7 = 61
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document.write( "2x^2 = 54
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document.write( "x^2 = 27
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document.write( "x = +- *sqrt (9*3)
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document.write( "x = +-3\r
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document.write( "5z^2-200 = 0
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document.write( "5z^2 = 200 
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document.write( "z^2 = 40
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document.write( "z = +- sqrt(4*10)
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document.write( "z = +-  \n" );
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