document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604430>Question 604430</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please can you help me with these and explain step by step thank you:\r<BR>\n" );
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document.write( "1) x^2+8+7=0\r<BR>\n" );
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document.write( "2)15x^3-51x^2+18x\r<BR>\n" );
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document.write( "3) 6x^2+17x+12\r<BR>\n" );
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document.write( "4) 147x^2y-27 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381230 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=381230\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6x^2+17x+12\r<BR>\n" );
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document.write( "compare this equation with ax^2+bx+c\r<BR>\n" );
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document.write( "All problems have to be worked out the following way.\r<BR>\n" );
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document.write( "coefficient first term =a= 6<BR>\n" );
document.write( "coefficient II term = b=17<BR>\n" );
document.write( "coefficient III term = c=12\r<BR>\n" );
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document.write( "Multiply a&c we get 72\r<BR>\n" );
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document.write( "factorize 72 = 2*2*2*3*3<BR>\n" );
document.write( "split the factors in two groups such that when you add up the groups you should get 17.<BR>\n" );
document.write( "In this case 2*2*2=8<BR>\n" );
document.write( "3*3=9<BR>\n" );
document.write( "9+8 =17<BR>\n" );
document.write( "Rewrite the polynomial<BR>\n" );
document.write( "6x^2+9x+8x+12<BR>\n" );
document.write( "3x(x+3)+4(x+3)<BR>\n" );
document.write( "(x+3)(3x+4)\r<BR>\n" );
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document.write( "15x^3-51x^2+18x<BR>\n" );
document.write( "facor out the common term<BR>\n" );
document.write( "3x(5x^2-17x+6)\r<BR>\n" );
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document.write( "Follow the same steps as above<BR>\n" );
document.write( "a=5,b=-17,c=6<BR>\n" );
document.write( "ac=30, factors = 2*3*5<BR>\n" );
document.write( "groups -15 & -2 = -17 which is b<BR>\n" );
document.write( "3x(5x^2-15x-2x+6)<BR>\n" );
document.write( "3x(5x(x-3)-2(x-3))<BR>\n" );
document.write( "3x(x-3)(5x-2)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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