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UkoKoshka [18]
3 years ago
15

(8x^3 - x) - (10x - 5x^2 - 3x^3) Show your work.

Mathematics
2 answers:
sergeinik [125]3 years ago
6 0

Let's simplify step-by-step.
8
x
3
−
x
−
(
10
x
−
5
x
2
−
3
x
3
)
Distribute the Negative Sign:
=
8
x
3
−
x
+
−
1
(
10
x
−
5
x
2
−
3
x
3
)
=
8
x
3
+
−
x
+
−
1
(
10
x
)
+
−
1
(
−
5
x
2
)
+
−
1
(
−
3
x
3
)
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
Combine Like Terms:
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
=
(
8
x
3
+
3
x
3
)
+
(
5
x
2
)
+
(
−
x
+
−
10
x
)
=
11
x
3
+
5
x
2
+
−
11
x
Answer:
=
11
x
3
+
5
x
2
−
11
x


Brainliest Please:)
weqwewe [10]3 years ago
3 0

Answer:

-11x-5x^2+5x^3

Step-by-step explanation;

8x^3-x-10x+5x^2+3x^3 (distribute the negative sign)

8x^3-3x^3    -x-10x (combine like terms)

5x^3-11x-5x^2

-11x-5x^2+5x^3 (put in Standard form)

Hope this helps tell me if you have any questions!

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