document.write( "Question 374235: Can you help me solve this problem please!
\n" ); document.write( "topic:quadratic equations by completing the square
\n" ); document.write( "marivic is five years older than michelle. in three years , the prdocut of her age and michelle's age five years ago will be 90 years.Find their present ages.
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Algebra.Com's Answer #266357 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
(x-5)(x+8)=90
\n" ); document.write( "x^2+3x-40=90
\n" ); document.write( "x^2+3x=130
\n" ); document.write( "x^2+3x+(9/4)=130
\n" ); document.write( "(x+3/2)^2= 130
\n" ); document.write( "(x+3/2)= sqrt130
\n" ); document.write( "x+1.5 = +/- 11.4
\n" ); document.write( "x=-12.9 ( ignore)
\n" ); document.write( "OR
\n" ); document.write( "x=9.9 =10 Michelle's age\r
\n" ); document.write( "\n" ); document.write( "Marivic's age = 15
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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