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21-08-2020
Mathematics

contestada

Find the sum of x^2 + 3x and – 2x^2 +9x + 5.

Respuesta :

21-08-2020

Answer:

-x² + 12x + 5

Step-by-step explanation:

Step 1: Write out expression

x² + 3x - 2x² + 9x + 5

Step 2: Combine like terms

-x² + 3x + 9x + 5

Step 3: Combine like terms

-x² + 12x + 5

Answer Link

03-09-2021

Answer:

-x² + 12x + 5

Step-by-step explanation:

Answer Link

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