Question 193641
Could you please show me how to solve this: {{{3 -(a-5)/(a+5) = (a^2-15)/(a+5) }}}
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Multiply by (a+5)
{{{3(a+5) -(a-5) = a^2-15}}}
{{{3a+15 -a+5 = a^2-15}}}
{{{2a+20 = a^2-15}}}
{{{a^2 - 2a - 35 = 0}}}
(a+5)*(a-7) = 0
a = -5
a = 7