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The height a fifteen foot ladder can reach up the side of a building if the ladder’s base is b feet from the building is the square root of the binomial B^2 - 225. Factor the binomial.

The height a fifteen foot ladder can reach up the side of a building if the ladders base is b feet from the building is the square root of the binomial B2 225 F class=


Answer :

B^2 - 225 = (b - 15)(b + 15)

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