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15-11-2021
Mathematics

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What property is -5(-9x^2+8)+20=10x^2-15

Respuesta :

15-11-2021

Answer:

distributive?

Step-by-step explanation:

-5(-9x^2+8)+20=10x^2-15

simplify both sides

45x^2-20=10x^2-15

35x^2=5

x^2=1/7

x=1/sqrt(7)

distributive?

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