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Angelina_Jolie [31]
3 years ago
13

5.) Simplify the following polynomial. -6x3+5x-3-(2x3+4x2-3x+1)

Mathematics
2 answers:
Delvig [45]3 years ago
5 0

Answer:

Step-by-step explanation:

-6x^3 + 5x - 3 - (2x^3 + 4x^2 - 3x + 1).....distribute thru the parenthesis

-6x^3 + 5x - 3 - 2x^3 - 4x^2 + 3x - 1......combine like terms

-8x^3 - 4x^2 + 8x - 4 <===

Vera_Pavlovna [14]3 years ago
3 0

Answer:

-8x3 - 4x2 + 8x - 4

Step-by-step explanation:

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6 0
4 years ago
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is vector v with an initial point of (-5,22) and a terminal point of (20,60) equal to vector u with an intintal point of (50,120
marta [7]

Answer:

Yes, vectors u and v are equal.

Step-by-step explanation:

We need to check whether vectors u and v are equal or not.

If the initial point is (x_1,y_1) and terminal point is (x_2,y_2), then the vector is

Vector=(x_2-x_1)i+(y_2-y_1)j

Vector v with an initial point of (-5,22) and a terminal point of (20,60).

\overrightarrow v=(20-(-5))i+(60-22)j

\overrightarrow v=25i+38j       ..... (1)

Vector u with an initial point of (50,120) and a terminal point of (75,158).

\overrightarrow u=(75-50)i+(158-120)j

\overrightarrow u=25i+38j         .... (2)

From (1) and (2) we get

\overrightarrow u=\overrightarrow v

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Answer:

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Step-by-step explanation:

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Step 2: Substitute and Evaluate

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7 0
3 years ago
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