payshencec21
payshencec21
22-05-2018
Mathematics
contestada
Please help asap! (:
Respuesta :
prestonshelton
prestonshelton
22-05-2018
Hello!
You can only add variables with the same base and exponent
8u^3 + 4u^3 = 12u^3
8u^2 + 0 = 8u^2
0 + -6u = -6u
6 + 3 = 9
Put the sums together
12u^3 + 8u^2 - 6u + 9
The answer is [tex]D) 12u^3 + 8u^2 - 6u + 9[/tex]
Hope this helps!
Answer Link
cuppykittyy
cuppykittyy
22-05-2018
Hello there! Let's calculate this. :)
8
u^3
+
8
u^2
+6
+
4
u^3
−
6u
+3
=
8
u^3
+
8
u^2
+6
+
4
u^3
+
−
6u
+3
Combine Like Terms:
=
8
u^3
+
8
u^2
+6
+
4
u^3
+
−
6u
+3
=
(
8
u^3
+
4
u^3
)
+
(
8
u^2
)
+
(
−
6u
)
+
(
6+3
)
=
12
u^3
+
8
u^2
+
−
6u
+9
Answer:
= D.
12
u^3
+
8
u^2
−
6u
+
9
Cheerio and have a lovely day! ^.^
Answer Link
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