98 points! (3x^2^a - 4y^a z^3a )^2

((3x^2)^a - (4y^a)(z^3a))^2

First, expand.

((3x^2)^a - (4y^a)(z^3a)) ((3x^2)^a - (4y^a)(z^3a))

Combine

3^(2a) - x^(4a) - 8 * 3^(2a)x^(2a)y^(a)z^(3a) + 16y^(3a)z^(6a)

hope this helps

i think it is

step-by-step explanation:

a formal letter is a letter the you would send to a king

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4