Answer :

ozieltijerina
Remember that a²-b²= (a-b)(a+b)

Here we have

(6+m²)(6-m²)

Let a=6 and b=m²

So using the sum and difference pattern we say

(6-m²)(6+m²)= (6)²-(m²)²

This is

36-m⁴

So (6-m²)(6+m²)= 36-m⁴

Hope this helps!!!

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