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Talja [164]
3 years ago
13

Simplify the expression: 3x2 - x + 7 + 5x + 2 - 2x2

Mathematics
2 answers:
tia_tia [17]3 years ago
6 0

Answer: yes

Step-by-step explanation:

3 x 2 - x + 7 + 5 x + 2 - 2 x 2

6 - x + 7 + 5x + 2 - 4

6 + 7 + 2 - 4 - x + 5x

13 - 2 + 4x

11 + 4x

alex41 [277]3 years ago
5 0
-x+5x + (3x2) + 7 +2 - (2x2)
4x + 6 + 7+ 2 - 4
4x + 11
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Assoli18 [71]

Answer:

x = 2

Step-by-step explanation:

-3x - 6 = 8x + 16

8x - 3x = 16 - 6 (subtract like terms)

5x = 10 (divide by 5)

x = 2

8 0
3 years ago
Between x = 2 and x = 3, which function has a greater average rate of change than y = 1 3 -x ?
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mars1129 [50]

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5 0
4 years ago
What are the similarities and differences between the standard form and vertex form of a quadratic equation?
guajiro [1.7K]

Answer and Step-by-step explanation: <u>Standard</u> <u>form</u> of a quadratic equation is expressed as: y=ax²+bx+c, while <u>vertex</u> <u>form</u> is written as:

y=a(x-h)²+k.

The similarities between standard and vertex forms is that they show if the graph of the equation has a <u>minimum</u> (when a>0) or <u>maximum</u> (a<0) and it's easier to determine the y-intercept: for standard, the value of c is the intercept; for vertex, the value k is the intercept.

The advantage of standard form is that you can determine the product and sum of the equation's roots, which is a method to determine them.

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8 0
3 years ago
What is the answer to 5x + 2 = 3x
3241004551 [841]

Answer:

  • x = -1

Explanation:

5x + 2 = 3x

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x = \dfrac{-2}{2}

x = -1

Hope this helps! ☺

4 0
3 years ago
Read 2 more answers
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