document.write( "Question 120767: Solve. -9(x-3)^2=-7 \n" ); document.write( "

Algebra.Com's Answer #88549 by madhan_math(34) $\"\"$ $\"About$

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\n" ); document.write( "Given -9(x-3)^2=7.
\n" ); document.write( "This implies that -9(x-3)^2-7=0.
\n" ); document.write( " -9(x^2+9-6x)-7=0.
\n" ); document.write( " -9x^2-81+54x-7=0
\n" ); document.write( " -9x^2+54x-88=0.
\n" ); document.write( "Throughout multiply by (-),
\n" ); document.write( " 9x^2-54x+88=0.
\n" ); document.write( "Now we use the formula $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$ and simplfy we get the answers x=3.89 (or) x=2.116 \n" ); document.write( "

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