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Solve the inequality $x^2+x-12<0$

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Solution

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Final answer to the problem

$x<3$
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Step-by-step Solution

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Learn how to solve completing the square problems step by step online. Solve the inequality x^2+x+-12<0. Add and subtract \displaystyle\left(\frac{b}{2a}\right)^2. Factor the perfect square trinomial x^2+x+\frac{1}{4}. Calculate the power \sqrt{\frac{1}{4}}. Simplify the addition \left(x+\frac{1}{2}\right)^2-12-\frac{1}{4}.

Final answer to the problem

$x<3$

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Plotting: $x<3$

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0
a
b
c
d
f
g
m
n
u
v
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x
y
z
.
(◻)
+
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×
◻/◻
/
÷
◻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

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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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