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Posted by on Tuesday, July 1, 2008 at 3:10pm.

SUBTRACT THE POLYNOMIALS.
(-9a^2+9a+4)-(7a^2+4)=-16a^2+9a

Help please and let me know if this correct.

  • Algebra 1 - , Tuesday, July 1, 2008 at 3:25pm

    It's correct.

  • Algebra 1 - , Tuesday, July 1, 2008 at 3:31pm

    thanks you

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