Answer
$A=\frac{160}{3}$
Work Step by Step
$A=\int_{-2}^2((x^3-2x^2+10)-(3x^2+4x-10))dx$
$A=\int_{-2}^2(x^3-5x^2-4x+20)dx$
$A=[\frac{1}{4}x^4-\frac{5}{3}x^3-2x^2+20x]_{-2}^2$
$A=(4-\frac{40}{3}-8+40)-(4+\frac{40}{3}-8-40)$
$A=\frac{108}{3}-(-\frac{92}{3})$
$A=\frac{160}{3}$