Algebraic Expressions

1. Let x≠ ±y. Evaluate:

algebra1
Solution:
algebra1

2.Simplify:

algebra2
Solution:
algebra2r

3.Solve and find out the conditions:

algebra3
Solution:
algebra3r

4. Simplify:

algebra3-1
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5. Solve and find out the conditions:

algebra5
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6. Simplify:

algebra6
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7. Solve and find out the conditions:

algebra7
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8.Solve:

algebra8
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9. Simplify:

algebra9
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10. Simplify:

algebra10
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11. Simplify:

algebraicke-vyrazy-11-z.gif
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12.  Simplify:

algebraicke-vyrazy-12-z.gif
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13. Simplify:

algebraicke-vyrazy-13-z.gif
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14.Simplify:

algebraicke-vyrazy-14-z
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15.Simplify:

algebraicke-vyrazy-15-z
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16.Simplify:

algebraicke-vyrazy-16-z
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17.Simplify:

algebraicke-vyrazy-17-z
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18.Simplify:

algebraicke-vyrazy-18-z
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19.Simplify:

algebraicke-vyrazy-19-z
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20.Simplify:

algebraicke-vyrazy-20-z
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