Determine whether the binomial can be written as a difference of two squares. (a) p9 – 25 (b) a8 – 18 (c) g2 – 36

- "Technically, all of the choices can be written as a difference of squares. Just find the square root of both terms and use the formula.

However, I am going to assume that your problems want to know if the expressions can be written as a difference of two squares, where  and  are either variables with an even exponent or a perfect square, as this is what many instructors are asking for."

- "C.) We can apply it to Choice C, since g has an even exponent and 36 is a perfect square. Applying the formula, we get:

g^2 - 36 = (g + 6)(g - 6)"

(C.)g2 - 36

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step-by-step explanation:

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