# How do you add  (4x^2+2x-5) + (6x^2-x-5)?

$4 {x}^{2} + 2 x - 5 + 6 {x}^{2} - x - 5$
$= \left(4 {x}^{2} + 6 {x}^{2}\right) + \left(2 x - x\right) - \left(5 + 5\right)$
 = color(green)(10x^2 + x - 10