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Find the numerical value of the expression $2xy^2z-xy+2,\:x=2,\:y=-2,\:z=-1$

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 Solution

 Videos

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Algebra 2 - Determine and describe the discriminant 5x^2 - x -1 = 0

https://www.youtube.com/watch?v=F3eTBxCnzvI

Pre-Calculus - Subtracting two rational trig expression to simplify, (cosx/(1-sinx)) - (sinx/cosx)

https://www.youtube.com/watch?v=1Salvz9GvlE

Algebra 2 - Find the solutions to the given trinomial - Online Tutor 3x^2 - 2x - 1 = 0

https://www.youtube.com/watch?v=b0e0g6Ig5W4

How to find equivalent expressions by combining like terms and using the distributive property

https://www.youtube.com/watch?v=rHNY01R2VSQ

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Plotting: $-10$

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1

2

3

4

5

6

7

8

9

0



a

b

c

d

f

g

m

n

u

v

w

x

y

z

.

(◻)

+

-

×

◻/◻

/

÷

◻²

◻^◻

√◻

√

^◻√◻

^◻√

∞

e

π

ln

log

log_◻

lim

d/dx

D^□_x

∫

∫^◻

|◻|

θ

=

>

<

>=

<=

sin

cos

tan

cot

sec

csc

asin

acos

atan

acot

asec

acsc

sinh

cosh

tanh

coth

sech

csch

asinh

acosh

atanh

acoth

asech

acsch

 How to improve your answer:

Main Topic: Numerical value of an algebraic expression

The numerical value of an algebraic expression is the result obtained by substituting the variables by a numerical value given.

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