Which board geometrically represents 4x2 – 1 using algebra tiles?
(x – 16)(x + 1)(x – 4)(x – 4)(x + 4)(x + 4)✔ (x – 4)(x + 4)
1✔ 24
1✔ 39
What are the factors of x2 – 144?
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Factoring Polynomials: Difference of Squares