bossninja bossninja

23-01-2017
Mathematics

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Which expression is equivalent to -0.6(1.2x + 4.5) - 3(2.8x - 4)?
A. -9.12x + 9.3
B. -9.12x + 41
C. -7.68 + 9.3
D. -7.69 + 41

Respuesta :

23-01-2017

A. -9.2x + 9.3

1. Distribute -0.6 and -3 to the brackets (by multiplying )
2. Put together the "like terms"
3. Add all together

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