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17 November, 20:09

Which expressions are differences of squares? Select each correct answer.

a^2-36

x^2+25

w^2-121

n^2-50

Which trinomials are perfect square trinomials?

Select each correct answer.

a^2+4a+16

a^2+15a+75

a^2+14a+49

a^2+26a+169

Factor completely.

4p² + 36p + 81

Note: Write the answer in the form: (ap+b) ^2

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Answers (1)
  1. 17 November, 22:16
    0
    First question: 1st and 3rd expression are the answer.

    2nd question: I'm not sure

    3rd question: (2p+9) ^2
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