Question 474414
{{{(49-x^2)/(2x^2-9x-35)}}}

{{{((7+x)(7-x))/(2x^2-14x+5x-35)}}}

{{{((7+x)(7-x))/(2x(x-7)+5(x-7))}}}


{{{((7+x)(7-x))/((x-7)(2x+5))}}}

{{{(-(7+x)(x-7))/((x-7)(2x+5))}}}

{{{(-(7+x)(cross(x-7)))/((cross(x-7))(2x+5))}}}

{{{-(7+x)/(2x+5)}}}