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14-11-2019
Mathematics

contestada

18x2 + 4 – [6(x2 – 2) + 5]

Respuesta :

nuepaulkortu nuepaulkortu

18-11-2019

Answer:

12X^2+11

Step-by-step explanation:

18X^2+4-[6(X^2-2)+5]

18X^2+4-[6X^2-12+5]

18X^2+4-6X^2-7

18X^2-6X^2+7+4

12X^2+11

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