SOLUTION: I am currently working on differences of square and grouping in the greatest common factor my current problem I don't understand is 4x squares minus 121

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Question 958290: I am currently working on differences of square and grouping in the greatest common factor my current problem I don't understand is 4x squares minus 121
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The lesson is to simply build and apply the formula. You have %284x%29%5E2-121. Recognize that 121=11%5E2.