Answer:
+6x-16
Step-by-step explanation:
x^2 is exponent 2.
(x+8)(x-2) = a
a = x^2 -2x + 8x - 16
<em><u>Area = x^2 + 6x - 16</u></em>
14 = x
-2 on both sides you get 7 = x/2, multiply both sides by 2 and you get 14 = x