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stich3 [128]
4 years ago
9

The variables X, Y, and Z represent polynomials where X = a, Y = 3a – 5, and Z = a2 + 2. What is X2Y – Z in simplest form?

Mathematics
1 answer:
user100 [1]4 years ago
8 0

Answer:

3a³ - 6a² - 2

Step-by-step explanation:

X²Y - Z

= a²(3a - 5) - (a² + 2) ← distribute both parenthesis

= 3a³ - 5a² - a² - 2 ← collect like terms

= 3a³ - 6a² - 2

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Can someone please wright me an equation for this and answer it. and also answer this.
Andrej [43]

Answer:

3x-5=81

hope my answer is helpful to you

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7 0
3 years ago
Jonah found that the equation -2|8-6|-6=-12
svetoff [14.1K]

Answer:

False equation:   -2|8 - 6| - 6 = -10

Step-by-step explanation:

-2|8 - 6| - 6 = -12                True or false?

-2 | 2| - 6 = -12                    Substract 8 - 6 = 2

-2 × 2 - 6 = -12                    |2| = 2  absolute value of 2 is 2

- 4 - 6 = -12                         -2 × 2 = -4 ( negative times positive = negative)

 -10 = -12                            False

7 0
3 years ago
Decision Making: Matthew received a fax giving him the dimensions of the rectangular living room in his new apartment. The dimen
horsena [70]

Answer:

No

Step-by-step explanation:

His answer is incorrect.  If we round the dimensions, 3.76 m is almost 4 m, and 5.49 m is almost 5.5 m.  4 × 5.5 = 22.  So his answer should be close to 22 m².

5 0
4 years ago
Find the value of x in each figure
sergey [27]
I believe x is 43.

3x+17+x-9=180 It is 180 because a straight line is 180 degrees
4x+8=180
     -8    -8   subtraction property of equality
---------------
4/4x=172/4   division property of equality
x=43  solution

4 0
3 years ago
Can someone pls help meee!!
Elena L [17]

Answer:

Hello! answer: 40

We know 1 angle is 50 degrees so that means the angle across will also be 50 degrees so that means 2 will be 40 degrees cause that is a complimentary angle and complimentary angles add up to 90 Hope this explains well!

7 0
3 years ago
Read 2 more answers
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