Perimeter of A=x^2-30x+225

Answer 1

A is a perfect square trinomial, so first you factor it:

A = (x-15)(x-15)

This is a square with one side being (x-15).

So the perimeter must be (x-15)+(x-15)+(x-15)+(x-15) because a square has four sides.

So P = 4x-60

Answer 2

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Answer 3

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Answer 4

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Answer 5

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Answer 6

A=(X-15)(X-15)

Answer 7

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