Question

Evaluate the following expression using the values given:

Find -a2 - 3b3 + c2 + 2b3 - c2 if a = 3, b = 2, and c = -3.

-67

-17

-31

1

Answer 1

@ganeshie8

Answer 2

@zepdrix

Answer 3

-(3)^2 -3(2)^3 +(-3)^2 + 2(2)^3 -(-3)^2
now just solve it
-9-3(8) + 9 + 2 (8) - 9
-24 +16 - 9
-17 is the correct answer
x^2 = x multiply with x
or
2^2 = 2 into 2 =4

Answer 4

Can you help with one more?

Answer 5

yeah

Answer 6

Evaluate the following expression using the values given.

Find 2x2 - 2z4 + y2 - x2 + z4 if x = -4, y = 3, and z = 2.

Answer 7

just put all these terms in it
here it is not OP told us to solve the question
i have already tell u how to solve it

Answer 8

No i keep getting wierd answers

Answer 9

I am not doing something right

Answer 10

@Haseeb96 please help

Answer 11

@ganeshie8 can you help

Answer 12

just first solve like me
put the values of x,y and z in the given equation

Answer 13

ok can you do it also with me

Answer 14

yes but first put these values in the equation

Answer 15

ok id did

Answer 16

\[2-4 ^{2}-2x 2^{2}+3^{2}+2^{2}\]

Answer 17

right

Answer 18

2-16-8+9+4

Answer 19

2(-4)^2 -2 (2)^4 + (3)^2 -(-4)^2 + (2)^4
this is correct

Answer 20

is what I last said right

Answer 21

now solve it

Answer 22

no

Answer 23

is it 9

Answer 24

2(16) -2 (16) +9 -16 +16
the correct answer is 9

Answer 25

Yay ill tell you if i get it right

Answer 26

yes

Answer 27

okay
but good job boy