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1. Simplify the following:
x² - 4
4
X-2
X-2
a.
***
C.
2
x-2
2
5
2
X
b.
x-1
b
d.
2y-1
2x-1
+
у
х
x+1​


Sagot :

Answer:

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Step-by-step explanation:

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