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 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

Answer Link

Otras preguntas

A company that manufactures storage bins for grains made a drawing of a silo. The silo has a conical base, as shown below: Which of the following could be used
What are "honorary ancestors"? Ted talk- using your voice by Amanda Gorman
Find the area of a triangle with base of 10 inches and a height of 5 inches. 100 square inches B 50 square inches C) 25 square inches D 12.5 square inches
Analyze the boundary work done during the process having a rigid tank contains air at 500 kPa and 150°C. As a result of heat transfer to the surroundings, the t
Is it good to welcome strangers to your home if they are in need?
WILL GET 100 POINTS IF U ANSWER THIS!!! If 4x=28, find the value of 29-5x.
What is the world's smallest country?
hii! i’ll give brainliest pls help
Nationwide, it is estimated that 40% of service stations have gas tanks that leak to some extent. A new program in California is designed to lessen the prevalen
Find the volume of the solid. plz help i have a test !