Answer:
12x-30 is the answer simplified
Step-by-step explanation
theres no much of a process
Using (a-b)(a+b)= a2-b2
Simply the product
x2-62
Evaluate the power
x2-36
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<u>this is your </u><u>answer</u>
Square root 9e^2f and 49
then divide by 9
