document.write( "Question 66900: (5x+75)^2=250\r
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\n" ); document.write( "\n" ); document.write( "7(x^2+1)^1/2+28(x^2+1)^-1/2 \n" ); document.write( "
Algebra.Com's Answer #47581 by checkley71(8403)\"\" \"About 
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(5X+75)^2=250
\n" ); document.write( "25X^+375X+375X+5625=250
\n" ); document.write( "25X^2+750X+5625-250=0
\n" ); document.write( "25X^2+750X+5375=0
\n" ); document.write( "X^2+30X+215=0 USING THE QUADRATIC EQUATION WE GET
\n" ); document.write( "X=(-B+-SQRT[B^2-4AC])/2A
\n" ); document.write( "X=(-30+-SQRT[30^2-4*1*215])/2*1
\n" ); document.write( "X=(-30+-SQRT900-860])/2
\n" ); document.write( "X=(-30+-SQRT40)/2
\n" ); document.write( "X=(-30+-6.32)2
\n" ); document.write( "X=(-30+6.32)/2
\n" ); document.write( "X=-23.68/2
\n" ); document.write( "X=-11.84 SOLUTION
\n" ); document.write( "X=(-30-6.32)/2
\n" ); document.write( "X=-36.32/2
\n" ); document.write( "X=-18.16 SOLUTION\r
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