Which expression is a perfect square?
A ² – 45+ 4
B. 7 – 42 - 4
c. 7 – 92 +9
D. 2...
Mathematics, 24.05.2021 17:00 Theresab2021
Which expression is a perfect square?
A ² – 45+ 4
B. 7 – 42 - 4
c. 7 – 92 +9
D. 2 -9x-9
Answers: 1
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