Question 1097483
{{{3s^2 - 5ab - 2b^2 - 3 - (5a^2 - 7ab - 3b^2 + v3a)}}}


= {{{3s^2 - 5ab - 2b^2 - 3 - 5a^2 + 7ab + 3b^2 - v3a}}}

= {{{3s^2 - 5a^2 + 2ab + v3a - 3}}}

Therefore, we need to subtract 5a^2 - 2ab + 3 - v3a