Question 167006
{{{T^2+(T-2)^2=130}}}
{{{T^2+(T^2-4T+4)=130}}}
{{{2T^2-4T+4=130}}}
{{{2T^2-4T-126=0}}}
{{{T^2-2T-63=0}}}
{{{(T-9)(T+7)=0}}}
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{{{T-9=0}}}
{{{T=9}}}
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{{{T+7=0}}}
{{{T=-7}}}
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