What polynomial identity should be used to prove that 20 = 36 – 16?
What polynomial identity can be utilized to demonstrate that (20 = 36 - 16)? The relevant concepts to consider include the Difference of Cubes, Difference of Squares, Square of a Binomial, and Sum of Cubes. Could you please clarify which of these identities would apply?
2 Answers
You could use a difference of squares, because that’s what I see on the right side:
36 = 6²
16 = 4²
x = 6² – 4²
x = (6 – 4)(6 + 4)
x = 2 * 10
x = 20
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