Question

(2a ^ 2 + b ^ 2)(- 2a ^ 2 + b ^ 2)​

Answer 1

Answer:

-4a⁴+b⁴

Step-by-step explanation:

(2a²+b²)(-2a²+b²)

2a²(-2a²)+2a²(b²)+b²(-2a²)+b²(b²)

-4a⁴+2a²b²-2a²b²+b⁴

-4a⁴+b⁴