rosademaris rosademaris

26-01-2022
Mathematics

contestada

(-10x^2+2)+(-2x^2+9x+7)

Respuesta :

jimrgrant1 jimrgrant1

26-01-2022

Answer:

- 12x² + 9x + 9

Step-by-step explanation:

(- 10x² + 2) + (- 2x² + 9x + 7 ) ← remove parenthesis

= - 10x² + 2 - 2x² + 9x + 7 ← collect like terms

= - 12x² + 9x + 9

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