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Simplify Rational Expressions
供稿人: Jarvie
Simplify 
     the 
Rational Expressions
Answer:
x2 - 2x -15
x2 + 4x + 3
Answer:
x2 - 4x + 4
x2 - 4
Answer:
4x - 12
2x - 6
Answer:
3x2 - 9x 
3x2 - 27
Answer:
3x2 +5x - 2
6x - 2
3x2 + 6x
x2 - 1
Answer:
x2 + 4x - 5
x2 + 2x
x2 + 8x + 16
x + 5
Answer:
x2 + x - 20
x2 - 16
2x + 5
3x - 4
(3x2 + 2x - 8)

(2x + 5)(x + 2)
(x - 4)(x + 2)
(3x - 4)(a + 2)
(2x + 5)(3x - 4)
Answer:
x2 + 8x + 15
x2 + 7x + 10
4 - t
t - 4
0
1
-1
cannot be simplified
Answer:
16x
4x2
Answer:
10x3
5x4
Answer:
6x2 + 42x
x2
Answer:
2x2 - 5x - 3
2x2 + x
x2 - 7x + 6
3x2 - 3
Answer:
÷
x2 - 36
9x + 9
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