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12-01-2021
Mathematics

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3x^2+5x-6 and -x^2+3x+9

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nsotolar23 nsotolar23

13-01-2021

Answer:

3x2+5x−6−x2+3x+9

=3x2+5x+−6+−x2+3x+9

Combine Like Terms:

=3x2+5x+−6+−x2+3x+9

=(3x2+−x2)+(5x+3x)+(−6+9)

=2x2+8x+3

Answer is: =2x2+8x+3

Step-by-step explanation:

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