davisjeric6 davisjeric6

23-01-2019
Mathematics

contestada

if x=3 what is the value of the expression -2x(2 x^3+3x^2-5x)

Respuesta :

MrGumby MrGumby

24-01-2019

Answer:

The value would be -396

Step-by-step explanation:

In order to find this, put in 3 for every value of x and then simplify.

-2x(2 x^3+3x^2-5x)

-2(3)(2(3)^3+3(3)^2-5(3))

-6(2(27) + 3(9) - 15)

-6(54 + 27 - 15)

-6(66)

-396

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