platinumpollard
platinumpollard
20-04-2016
Mathematics
contestada
(2a2 + ab + 2b) + (4a2 − 3ab + 9)
Respuesta :
Аноним
Аноним
20-04-2016
=2
a^2
+
ab
+
2b
+
4
a^2
+
−
3a
b
+
9
Combine likes terms:
=
2
a^2
+
ab
+
2b
+
4
a^2
+
−
3a
b
+9
=
(
2
a^2
+
4
a^2
)
+
(
ab
+
−
3a
b
)
+
(
2b
)
+
(9)
=
6
a^2
+
−
2a
b
+
2b
+
9
Your answer is:
=
6
a^2
−
2a
b
+
2b
+
9
Answer Link
Exvited
Exvited
20-04-2016
[tex](2a^2 + ab + 2b) + (4a^2 - 3ab + 9) \\ \\ 2a^2 + ab + 2b + 4a^2 - 3ab + 9 \\ \\ (2a^2 + 4a^2) + (ab - 3ab) + 2b + 9) \\ \\ 6a^2 - 2ab + 2b + 9 \\ \\ [/tex]
The answer is
6a^2 - 2ab + 2b + 9
.
Answer Link
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