Question

find the sum or difference.
$(4rxt - 8r^{2}x + x^{2}) - (6rx^{2} + 5rxt - 2x^{2})$
$x^{2} +$
$rxt +$
$r^{2}x +$
$rx^{2}$

Explanation:

Step1: Distribute the negative sign

$(4rxt - 8r^2x + x^2) - 6rx^2 - 5rxt + 2x^2$

Step2: Group like terms

$x^2 + 2x^2 + 4rxt - 5rxt - 8r^2x - 6rx^2$

Step3: Combine like terms

$3x^2 - rxt - 8r^2x - 6rx^2$

Answer:

$3$
$-1$
$-8$
$-6$