x+1
3
c)
x+31 (XS5
+
5 x²+10x+25
2x-2 x2-1
2x+2 3x²-3'
d)
5-x 5+x
100
2x
1
2x-3
e)
4x²
+
-93-2x
.
1-
2x+3
VE-XS
26. Efectuați:
2
1
3b
4a²+b²
a)
+1
2a+b 2a-b
b²-4a²
4a² -b²
79
19
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