Solve the inequality $x^2-6x<-9$

Step-by-step Solution

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Final answer to the problem

$x<3$
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Step-by-step Solution

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Factor the polynomial $x^2-6x$. Add and subtract $\left(\frac{b}{2}\right)^2$, replacing $b$ by it's value $-6$

$x^2-6x+9-9<-9$

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$x^2-6x+9-9<-9$

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Learn how to solve inequalities problems step by step online. Solve the inequality x^2-6x<-9. Factor the polynomial x^2-6x. Add and subtract \left(\frac{b}{2}\right)^2, replacing b by it's value -6. Now, we can factor x^2+-6x+9 as a squared binomial of the form \left(x+\frac{b}{2}\right)^2. Moving the term -9 to the other side of the inequation with opposite sign. Subtract the values 9 and -9.

Final answer to the problem

$x<3$

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Plotting: $x<3$

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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
Dx
|◻|
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: Inequalities

In mathematics, an inequation is a statement that an inequality holds between two values. It is usually written in the form of a pair of expressions denoting the values in question, with a relational sign between them indicating the specific inequality relation.

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