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Mathematics 7 Online
OpenStudy (anonymous):

3. Simplify 2a+2/a^2-1 4.What is the undefined value of 3b^2 + 13b +4/ b+4 5.Multiply.x^2 + 8x +15/x-4 times x^2-16/2x+6 6. Add. 3/2a+5/2a 7. Add 8+x-1/x+4

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