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Factor the expression $x^2-81$

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 Solution

 Formulas

 Videos

Algebra 1 - Factor difference of two squares - The best math teacher ever 100y^6 - x^2

https://www.youtube.com/watch?v=0mjt0uzT73c

Algebra 2 - Dividing two rational expressions (x^2/x^2 - y^2) / (4x/y-x)

https://www.youtube.com/watch?v=5MNXHwO_COA

Algebra 2 - Dividing two rational expressions by factoring, ((x + y)/6) / ((x^2 - y^2)/3)

https://www.youtube.com/watch?v=mAn_OHWNj2c

Algebra 1 - How to factor the GCF from a trinomial x+ x^2y + x^2 y^2

https://www.youtube.com/watch?v=-uxboTtK1jg

Algebra 1 - Factoring three terms with distributive property 5x^3 y^2 + 10x^2y + 25x

https://www.youtube.com/watch?v=n2ymRq-teXc

Tutorial - Factor an expression by using grouping, 9x^2 - 3xy + 6x - 2y

https://www.youtube.com/watch?v=mN3WP4KGxz0

 Function Plot

Plotting: $\left(x+9\right)\left(x-9\right)$

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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: Factorization

In mathematics, factorization or factoring is the decomposition of an object (for example, a number, a polynomial, or a matrix) into a product of other objects, or factors, which when multiplied together give the original.

 Used Formulas

See formulas (1)

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