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Work sheet No. 7
Perform the indicated operation on the following:
1. (За — 2b )²
2. ( 3x2 – 5x + 2)²
3. (3x - 5y ) ( 3x + 5y)
4. ( 2x + 3 )³
5. (4a - 2b )³​

Sagot :

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  1. [tex]9a^2-12ab+4b^2[/tex]
  2. [tex]9x^4-30x^3+37x^2-20x+4[/tex]
  3. [tex]9x^2-25y^2[/tex]
  4. [tex]8x^3+36x^2+54x+27[/tex]
  5. [tex]64a^3-92a^2b+48ab^2-8b^3[/tex]

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