document.write( "Question 62388: 3. -9(x-3)^2=-7\r
\n" ); document.write( "\n" ); document.write( "I got as far as x-3=rs 7/3 no radical sign.\r
\n" ); document.write( "\n" ); document.write( "Now I then do x=3/5 rs over the three and times it by 9/5. Do I multiply the 7 times the nine or or just leave it as 9 plus or negative over 7/3. \n" ); document.write( "
Algebra.Com's Answer #43088 by checkley71(8403)\"\" \"About 
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-9(x-3)^2=-7
\n" ); document.write( "-9(x^2-6x+9)=-7
\n" ); document.write( "-9x^2+54x-81=-7
\n" ); document.write( "-9x^2+54x-81+7=0
\n" ); document.write( "-9x^2+54x-74=0
\n" ); document.write( "9x^2-54x+74=0 using the quadratic equation x=(-b+-sqrt[b^2-4ac)]/2a we get
\n" ); document.write( "x=(54+-sqrt[-54*-54-4*9*74)]/2*9
\n" ); document.write( "x=(54+-sqrt[2916-2664])/18
\n" ); document.write( "x=(54+-sqrt-252)/18
\n" ); document.write( "x=(54+-15.87)/18
\n" ); document.write( "x=54+15.87)/18
\n" ); document.write( "x=69.87/18
\n" ); document.write( "x=3.88 solution
\n" ); document.write( "x=(54-15.87)/18
\n" ); document.write( "x=38.13/18
\n" ); document.write( "x=2.12 solution
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\n" ); document.write( "ALL THESE ANSWERS ARE CORRECT. THEY ARE JUST IN DIFFERENT FORMS. IF YOU'LL SOLVE THE OTHER SOLUTIONS WITH THE RADICAL SIGNS YOU'LL SEE THEY GET THE SAME NUMBERS AS I GOT.\r
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