Question 180534
Given {{{ (5x^2 - 3x + 2) + (-3x^2 - 5x - 8) - (-x^2 - 3x + 10)}}}
Remove parens
{{{ 5x^2 - 3x + 2 -3x^2 - 5x - 8 + x^2 + 3x - 10 }}}
Collect like terms
{{{ 5x^2 - 3x^2 + x^2 -3x -5x +3x  + 2 - 8 - 10 }}}
Simplify
{{{3x^2 -5x -16}}}