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18-01-2017
Mathematics

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Use the distributive property to simplify the following expression: 4z(z2 + 3) - 3z
A. 5z2 -3z +3
B. z2 - z + 3
C. 8z3 -3z
D. 4z3 + 9z

Respuesta :

heloooooo heloooooo

18-01-2017

it should be 8z2 + 9z
because 4z(2z) + 4z(3) -3z
8z2 + 12z - 3z
so it's 8z2 + 9z

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