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Solve the equation $x\left(x+20\right)=200$

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Solution

Formulas

Videos

How to solve equations of the form x/a = b | Linear equations | Algebra I | Khan Academy

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

Pre-Calculus - Using square root method to solve a quadratic equation with one variable, 7x^2 -11=0

https://www.youtube.com/watch?v=pO_rQMRe25U

Using Distributive property twice and combining like terms to solve for x

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

Algebra 2 - Solving by factoring and using the square root method x^2 + 16x + 64 = 15

https://www.youtube.com/watch?v=WGuLJdN2Tuo

Equations with rational expressions | Mathematics III | High School Math | Khan Academy

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

Solving an equation for x and then solving for y

https://www.youtube.com/watch?v=x3leQCW9aWQ

Function Plot

Plotting: $x\left(x+20\right)-200$

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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:

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Main Topic: One-variable linear equations

Algebraic equations that have just one variable.

Used Formulas

1. See formulas

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