Question

1. $6x^{2}+x+2-2x+x^{2}$

Explanation:

Step1: Combine like $x^2$ terms

$6x^2 + x^2 = 7x^2$

Step2: Combine like $x$ terms

$x - 2x = -x$

Step3: Keep constant term

$2$

Step4: Combine all simplified terms

$7x^2 - x + 2$

Answer:

$7x^2 - x + 2$