colbeysatt
colbeysatt
25-06-2017
Mathematics
contestada
find the product of 3a+5 and 2a^(2)+4a-2
Respuesta :
KABOOMADEEBOOM
KABOOMADEEBOOM
25-06-2017
The answer is
6
a3
+
22
a2
+
14a
−
10
My steps:
(
3a
+5
)
(
2
a^2
+
4a
−2
)
=
(
3a
+5
)
(
2
a^2
+
4a
+
−2
)
=
(
3a
)
(
2
a^2
)
+
(
3a
)
(
4a
)
+
(
3a
)
(
−2
)
+
(5)
(
2
a^2
)
+
(5)
(
4a
)
+
(5)
(
−2
)
=
6
a^3
+
12
a^2
−
6a
+
10
a^2
+
20a
−10
=
6
a^3
+
22
a^2
+
14a
−
10
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