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I ONLY HAVE 5 MIN TO TURN THIS IN!!!!
What are the simplified versions of the expressions shown below??
WILL MARK BRAINLIEST!!!
(2, 5, and 9 don't count)

I ONLY HAVE 5 MIN TO TURN THIS IN What are the simplified versions of the expressions shown below WILL MARK BRAINLIEST 2 5 and 9 dont count class=

Respuesta :

ricchad

Answer:

see below

Step-by-step explanation:

3.  (10x² - 4x + 3) - (7x² + 3x + 13)

=  10x² - 4x + 3 - 7x² - 3x - 13

=  10x² - 7x² - 4x - 3x + 3 - 13

=  3x² - 7x - 10

6.  (10x - 12 - 3x²) - (18 - 4x² + 9x)

=   10x - 12 - 3x² - 18 + 4x² - 9x

=   x² + x - 30

8.  (3x + 5x² - 1) + (13 - 20x + x²)

=   3x + 5x² - 1 + 13 - 20x + x²

=   6x² - 17x + 12

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