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Eddi Din [679]
2 years ago
8

Complete factorization

Mathematics
2 answers:
Lostsunrise [7]2 years ago
5 0

Answer:

A. 2x + 1

Step-by-step explanation:

6x³ - 15x² - 9x

3x (2x² - 5x - 3)

3x (2x² + x - 6x - 3)

3x (x (2x + 1) - 6x - 3)

3x (x (2x + 1) - 3 (2x + 1))

= 3x <u>(</u><u>2</u><u>x</u><u> </u><u>+</u><u> </u><u>1</u><u>)</u> (x - 3)

one of the factor of the complete factorization is <u>A</u><u>.</u><u> </u><u>2</u><u>x</u><u> </u><u>+</u><u> </u><u>1</u>

Sergeeva-Olga [200]2 years ago
5 0

Answer:

\tt{}A. \:2x + 1

Step-by-step explanation:

\tt{}6 {x}^{3}  - 15 {x}^{2}  - 9x

\tt{}3x \times ( {2x}^{2}  - 5x - 3)

\tt{}3x \times ( {2x}^{2}  + x - 6x - 3)

\tt{}3x \times (x \times (2x + 1) \times3 (2x + 1))

\tt{}3x \times (2x + 1) \times (x - 3)

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Answer:

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Step-by-step explanation:

The formula for surface area of a rectangular(assuming that's what you have) is Perimeter of the Base(height) + 2(Area of the Base)

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helpful links:

https://www.khanacademy.org/math/ basic-geo/basic-geo-volume-sa/basic-geometry-surface-area/v/surface-area-of-a-box

http://www.math.com/tables/geometry/surfareas.htm

https://www.basic-mathematics.com/surface-area-formula.html

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