document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=211320>Question 211320</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073533490/algebrahomeworkh>Elementary and Intermediate Algebra, 3e</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I really do not understand any of this stuff...can I get some help please?\r<BR>\n" );
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document.write( "#80: find all real and imaginary solutions to each equation\r<BR>\n" );
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document.write( "     w^2= -225\r<BR>\n" );
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document.write( "#96: sqrt 7x + 29 = x + 3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #159674 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=159674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> #80)  w^2 =-225 <BR>\n" );
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document.write( "w = +/- sqrt (-225) <BR>\n" );
document.write( "w=+/- sqrt(225)(-1)<BR>\n" );
document.write( "w= +/- 15 i,,,,,,where  i=sqrt(-1)<BR>\n" );
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document.write( "#96),,,,sqrt(7x+29) = x+3,,,,,,,square  both  sides<BR>\n" );
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document.write( "(7x+29) = x^2 +6x +9<BR>\n" );
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document.write( "0= x^2 -x -20<BR>\n" );
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document.write( "0=(x-5)(x+4)<BR>\n" );
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document.write( "x=5,,,-4<BR>\n" );
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document.write( "check,,,(5),,,sqrt(35+29)=sqrt(64) = 8 = 5+3,,,,,ok<BR>\n" );
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document.write( "(-4),,,,sqrt (-28 +29) = sqrt(1) =+/- 1 = -4 + 3= -1,,,,,ok </SPAN>\n" );
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