baogiap88 baogiap88

03-07-2022
Mathematics

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constant equality 123

constant equality 123 class=

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rose5656 rose5656

03-07-2022

Answer:

using the identity

(a±b) ² = a² + b² ± 2ab

1) X² + 1 - 2X

2).x² + 4 - 4x

3) 9 + x² - 6x

4) y² + 16 - 8y

5) 4x² + 1 - 4x

6) 9 + 4y² - 6y

7) 4x² + y²- 8y

8) 1 + 16a² - 8a

9) 9x²+ 4y² - 12xy

10) -x²- 16y² + 8y

11) -x²- 25y + 10xy

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