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Goshia [24]
3 years ago
7

Simply the following expressions:

Mathematics
2 answers:
Lapatulllka [165]3 years ago
5 0

Answer:

6.    <u> (2x - 1) </u>

      (3x + 2)

8.   <u>     y - 3     </u>

     y² - 3y + 9

Step-by-step explanation:

6.   <u> 2x² + 9x - 5</u>

      3x² + 17x + 10

= <u>(2x - 1) (x + 5)</u>

  3x² + 17x + 10

= <u>(2x - 1)  (x + 5)</u>

  (3x + 2) (x + 5)

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

  (3x + 2)

8.  <u>y² - 9   </u>

    y³ + 27

= <u> (y + 3) (y - 3)</u>

      y³ + 27

= <u>     (y + 3) (y - 3)     </u>

  (y+3) (y² - 3y + 9)

= <u>     y - 3     </u>

  y² - 3y + 9

Debora [2.8K]3 years ago
5 0

Answer:

see below

Step-by-step explanation:

6)

2x² + 9x - 5

------------------

 3x² + 17x + 10

(2x - 1) (x + 5)

--------------------

 3x² + 17x + 10

(2x - 1)  (x + 5)

--------------------

(3x + 2) (x + 5)

(2x - 1)

-----------

(3x + 2)

8)

y² - 9  

------------

y³ + 27

(y + 3) (y - 3)

--------------------

   y³ + 27

(y + 3) (y - 3)    

--------------------

(y+3) (y² - 3y + 9)

     y - 3    

---------------------

 y² - 3y + 9

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