Using foil to square a binomial radical, (sqrt(2) + sqrt(7))^2

The video tutorial explains why powers cannot be distributed over addition or subtraction. It clarifies the concept of squaring a binomial, emphasizing that it involves multiplying the binomial by itself. The instructor recommends using the FOIL method to solve such problems, demonstrating each step in detail. Finally, the tutorial shows how to combine like terms to arrive at the final solution.

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