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Simplify the expression $2x-5x+9x$

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 Solution

 Videos

Simplifying square-root expressions | Mathematics I | High School Math | Khan Academy

https://www.youtube.com/watch?v=3MijXB91DVo

Tutorial - Multiplying rational expressions ex 24, ((x^2-5x+6)/(x^2-4)) × ((x^2+3x+2)/(x^2-2x-3))

https://www.youtube.com/watch?v=IUrAMNFqq4A

Factor and use fundamental identities to simplify

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

Simplifying the cube root of an algebraic expression

https://www.youtube.com/watch?v=CFK_jkBy27E

Factor by grouping your trig identity

https://www.youtube.com/watch?v=HmrmRWFPHu4

How to simplify a trigonometric expression using difference of two squares

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

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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: Simplification of algebraic expressions

The simplification of algebraic expressions consists in rewriting a long and complex expression in an equivalent, but much simpler expression. This simplification can be accomplished through the combined use of arithmetic and algebra rules.

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