Write in Standard Form (x^2+17x+70)+(x+10)

$(x^{2} + 17 x + 70) + (x + 10)$

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Add $17 x$ and $x$ .

$x^{2} + 18 x + 70 + 10$

Add $70$ and $10$ .

$x^{2} + 18 x + 80$