Question

1. (-7x^5 + 14 - 2x)+(10x^4 + 7x + 5x^5)

Explanation:

Step1: Remove parentheses

$-7x^{5}+14 - 2x+10x^{4}+7x + 5x^{5}$

Step2: Combine like - terms of $x^{5}$

$(-7x^{5}+5x^{5})+10x^{4}+(-2x + 7x)+14$
$=-2x^{5}+10x^{4}+5x + 14$

Answer:

$-2x^{5}+10x^{4}+5x + 14$