Question

(4x² + 2yz) (2x²-yz)​

Answer 1

please check the math process in this above pic

Answer 2

Answer:

$8x^{4}$$-2y^{2}z ^{2}$    

Step-by-step explanation:

8x^4+4x²yz-4x²yz-2y²z²

$8x^{4}$$-2y^{2}z ^{2}$                 (removing opposite symbols same variables)