Seudónimo Seudónimo

21-12-2019
Mathematics

contestada

Simplify the expression -4x2(3x − 7).
A.
-12x^3 + 28
B.
-12x^3 + 28x^2
C.
-12x^3 − 28
D.
-12x^3 − 28x^2

Respuesta :

bayaankoolinaasir bayaankoolinaasir

21-12-2019

Answer:

B

Step-by-step explanation:

-4x^2(3x − 7) = 3x (-4x^2)-7 (-4x^2)

= -12x^3 + 28x^2

Answer Link

Аноним Аноним

22-12-2019

Answer: The answer is B because x+y=28x2=79

Step-by-step explanation:

Answer Link

Otras preguntas

Which of the following correctly completes box #2 in the chart above? A. city B. state C. family D. federal MULTIPLE CHOICE

Comets travel in orbits around the Sun. Some comets take less than 200 years to orbit the Sun. They are called short-period comets. Short-period comets are thou

Which of the following equations is modeled by the graph? A) a = 50t B) a = 5t C) a = 50 + t D) a = 10t

What is the mean of the following list of extra credit points earned on a statistics test? 10,8,18,17,7

Which statement regarding dialogues in multiplayer games is true? A. Dialogues are based only on players’ actions. B. Dialogues are restricted to the game’s c

write the a newspaper article on the role of politicans in Building the fature of the country ?

PLEASE HELP!!! very confused

When using a scientific calculator, what is the the correct order of buttons to press to enter the number 3.5 x 1015? O A. [EE] [1] [5] [3] [] [5] B. [1] [5] [3

……………that the capital of South Carolina was moved from Charleston to Columbia. A. In 1790 was B. There was in 1790 C. In 1790 D. It was in 1790

Which statement can be modeled by x + 3 < 12? Julie has 3 notebooks. Together, Mary and Julie have less than 12 notebooks Sam sold 3 mobiles. To earn a prize