Question 33211
 -9(x-3)^2=-7
cancell the negative signs on both sides of the equation
9{{{(x-3)^2}}} = 7
{{{(x-3)^2}}}= 7/9
taking square roots both sides we get
(x-3) ={{{ sqrt(7)/3}}}
(x-3) = {{{sqrt(7)/3}}}
x = 3 + {{{sqrt(7)/3}}}
x = [9+{{{sqrt(7)}}}]/3