Cv6312
Cv6312
14-09-2017
Mathematics
contestada
4(2n - 1) - (2n + 3)
Respuesta :
looleas
looleas
14-09-2017
4
(
2n
−1
)
−
(
2n
+3
)
=
4
(
2n
−1
)
+
−1
(
2n
+3
)
=
4
(
2n
−1
)
+
−1
(
2n
)
+
(
−1
)
(3)
=
4
(
2n
−1
)
+
−
2n
+
−3
=
(4)
(
2n
)
+
(4)
(
−1
)
+
−
2n
+
−3
=
8n
+
−4
+
−
2n
+
−3
=
8n
+
−4
+
−
2n
+
−3
=
(
8n
+
−
2n
)
+
(
−4
+
−3
)
=
6n
+
−7
Answer:
=
6n
−
7
Answer Link
Аноним
Аноним
14-09-2017
4(2n-1)-(2n+3)
You can add a one to make it easier
4(2n-1)-
1
(2n+3)
Distribute the 4
2n(4)-1(4)-1(2n+3)
8n-4-1(2n+3)
Distribute the -1
8n-4+2n(-1)+3(-1)
8n-4-2n-3
Combine like terms
8n-2n-4-3
6n-7
Hope this helped!
Answer Link
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