dark4flamesowjofo
dark4flamesowjofo dark4flamesowjofo
  • 09-09-2020
  • Mathematics
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aurorabalcom
aurorabalcom aurorabalcom
  • 09-09-2020

Answer:

Both equal 4

Step-by-step explanation:

(a-b)^2

(7-9)^2

(-2)^2

4

a^2-2ab+b^2

7^2-2(7)(9)+9^2

49-126+81

4

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