vivianhowerton vivianhowerton

07-11-2017
Mathematics

contestada

What is the value of 3x ( 2x²+6x+3) when x is -3?

a. -27
b. 0
c. 27
d. 54

Respuesta :

08-11-2017

3x ( 2x²+6x+3)=
3(-3)(2*3²+6*3+3)
-9 (2*9-18+3)=
-9 (18-18+3)=
-9 (0+3)
-9*3=
-27

Answer Link

Otras preguntas

what should 6/54 be simplified

How to convert 15/20 into a decimal

Jenny is building a rectangular garden around a tree in her yard. The southwest corner of the garden will be 2 feet south and 3 feet west of the tree. The north

What role do hypotheses play in scientific inquiry

in areas where physical geography made farming more difficult for british colonists what else do you think they might have done for a living

84/12=n what does n equal? Explain or show work

Which integer is between -36/15 and -69/20

write and solve a word problem that can be modeled by addition of two negative numbers integers

how many times does 12 go into 44

fays rubber ball bounces exactly half the height from which it is dropped. she drops the ball 64 meters tall. how high will the ball bounce on its eighth boun