<PRE><B>Question 92078</B>
3x^2 - 6x = 27
3x^2-6x-27=0
                                                                              Divide by 3
                                                                             x^2-2x-9=0
                                                                          &amp;#12310;(x)&amp;#12311;^2-2(x)(1)+&amp;#12310;(1)&amp;#12311;^2-&amp;#12310;(1)&amp;#12311;^2-9=0
                                                                           &amp;#12310;(x-1)&amp;#12311;^2-10=0
                                                                           (x-1)^2=10
                                                                            x-1=&amp;#8730;10
                                                                         x-1+1=ą&amp;#8730;10+1
                                                                          X=ą3.16+1
                                                                          X=4.16: x=-2.16
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