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Find the break even points of the expression $-\frac{9}{10}x^2+x+3=0$

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Solution

Videos

Find the value of c that completes the square with fractions

https://www.youtube.com/watch?v=Au6V2hMeffk

Find the value that creates a perfect square trinomial

https://www.youtube.com/watch?v=-X5wgjAN16g

Find the value of c that completes the square then convert

https://www.youtube.com/watch?v=Lult_wo8ey8

finding the value of C for a perfect square

https://www.youtube.com/watch?v=JpilrvBZgb4

Tutorial - Simplifying the quotient of two radical expressions ex 13, 15root(60x^5)/3root(12x)

https://www.youtube.com/watch?v=M9fNUP4QbXo

How do you factor a perfect square trinomial

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

Function Plot

Plotting: $-\frac{9}{10}x^2+x+3$

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Got a different answer? Verify it!

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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:

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Main Topic: Completing the Square

In elementary algebra, completing the square is a technique for converting a quadratic polynomial of the form ax^2+bx+c to the form a(x+h)^2+k.

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