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yKpoI14uk [10]
2 years ago
6

What is the sum of 3x2-x + 4 and 2x - 4x² - 7?

Mathematics
1 answer:
Y_Kistochka [10]2 years ago
3 0

Answer:

\tt \boxed{ -  \tt \: x^2+x+4}

Step-by-step explanation:

Combine Like Terms:

=3x^2−x+4+2x−4x^2

=(3x^2−4x^2)+(−x+2x)+(4)

=−x^2+x+4

Answer:

=−x^2+x+4

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4-3x2 + x2 + 5x – 7)
kompoz [17]

Answer:

7x - 9

Step-by-step explanation:

1: Multiply the numbers

4 - 3 x 2 + 2x + 5x - 7

4 - 6 + 2x + 5x - 7

2: Add the numbers

4 - 6 + 2x + 5x - 7

-9 + 2x + 5x

3: Combine like terms

-9 + 2x + 5x

-9 + 7x

4: Rearange terms

-9 + 7x

7x - 9

Solution

7x - 9

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Answer:

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Step-by-step explanation:

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allochka39001 [22]
An infinite series contains an infinite amount if values within a set S({}. A finite series contains a certain am0unt of values (for example, the numbers from 1 to 10)

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