document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428970>Question 428970</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My problem is;<BR>\n" );
document.write( "Solve by factoring and using the principle o zero products<BR>\n" );
document.write( "49k^2=36\r<BR>\n" );
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document.write( "Thank you very much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298039 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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/cgi-bin/show-face.mpl?user=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=298039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"My problem is;<BR>\n" );
document.write( "Solve by factoring and using the principle o zero products<BR>\n" );
document.write( "49k^2=36\"\r<BR>\n" );
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document.write( "49k^2 - 36 = 0 {subtracted 36 from both sides}\r<BR>\n" );
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document.write( "49k^2 - 36 is a difference of two squares, in the form a^2 - b^2,<BR>\n" );
document.write( "it factors into the form (a + b)(a - b)\r<BR>\n" );
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document.write( "If a^2 is 49k^2, then a = 7k {square root of 49k^2}<BR>\n" );
document.write( "If b^2 is 36, then b = 6 {square root of 36}\r<BR>\n" );
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document.write( "49k^2 - 36 = 0 <BR>\n" );
document.write( "(7k + 6)(7k - 6) = 0 {factored into two binomials}<BR>\n" );
document.write( "7k + 6 = 0 or 7k - 6 = 0 {set each factor equal to 0}<BR>\n" );
document.write( "7k = -6 or 7k = 6 {subtracted 6 and added 6, respectively}<BR>\n" );
document.write( "k = -6/7 or k = 6/7 {divided both sides by 7}<BR>\n" );
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