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May 30, 2015

Homework Help: 10th Grade Algebra

Posted by Jason on Sunday, May 1, 2011 at 9:15am.

Please help me with these factorise algebra questions!!!

1. 9c squared + 30c + 25 - 4d squared

2. 12 + 89 - 4a squared

3. -5x squared + 27x - 10

4. If A= 15x squared - 20x +11 and
B= 1 + 9x+ 5x squared, then A-B when factorised is...

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