Question

Evaluate the following expression using the values given:

Find -a2 - 3b3 + c2 + 2b3 - c2 if a = 3, b = 2, and c = -3.
a.-67
b.-17
c.-31
d.1

Answer 1

@E.ali

Answer 2

Ok friend :)
First get the numbers on them for example :
if a=3 we have :
-(3)^2- 3b3 + c2 + 2b3 - c2
OK ?
Now its your turn if you was understand or if not send a massege :)

Answer 3

@E.ali I really don't get what your going with this

Answer 4

ammm ...
It s OK and no problem :)
Can u answer it ?
3+5=?

Answer 5

8 @E.ali

Answer 6

OK !
Now if I say to u X=9
2+x=?
What is the answer ?

Answer 7

11

Answer 8

Excelent !
Now if we have :
X+y=?
X=14 y=69
what is the answer ?

Answer 9

83

Answer 10

Thank u !
Now if we have :
-x+y-z=?
if : x=5 y=7 z=1

Answer 11

1

Answer 12

can u write ure way ?please ....:)

Answer 13

I just did it the way you did yours

Answer 14

What was your maen ?
But look again :
when we had :
X+y=?
X=14 y=69
u said :
x_________>14+y__________>69 = 73
OK ???

Answer 15

Understand it ?

Answer 16

yes I do

Answer 17

Now look again to last question :
-x+y-z=?
if : x=5 y=7 z=1
Lets do it slow :)
First get the numbers there ( in ( ) in the picture )

Answer 18

-(5) + (7) - (1)

Answer 19

Thank u !
Now can u answer to your self ?:)

Answer 20

yea I got 1

Answer 21

Can u write your answer ?

Answer 22

1 is my answer

Answer 23

Exelent :)
Now answer it :
of a=3 find :
-a^2

Answer 24

-6

Answer 25

No friend the ^ means power ...
Do u know that ?

Answer 26

oh 9

Answer 27

Thank u :)
Very smart :)
now find it :
-3b^3 if b=2
Can u answer it too ?
It s look like the last question :)
Answer :)

Answer 28

@jasmin16 : I m sure u can answer it too :)

Answer 29

@jasmin16:Can u answer ?

Answer 30

I ment -(3)+(2)-(3)

Answer 31

@E.ali

Answer 32

Oh :)
Look :
u re fall comes again ...
Look :
^ was power :)

Answer 33

so it goes like this -(32)^3 idk

Answer 34

look :
If we dont have any think affter the a or b or c means its * so :
-3b=-3 * b
And -3b^3=_3 * b ^ 3
and now answer this :

Answer 35

@jasmin16 : Can u answer this ?

Answer 36

-6

Answer 37

-6 for

Where is the ^2 ????