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Solve the inequality $7x^2+21x-28<0$

Step-by-step Solution

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asinh
acosh
atanh
acoth
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Final Answer

$x<1$
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Step-by-step Solution

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Moving the term $-28$ to the other side of the inequation with opposite sign

$7x^2+21x<0+28$

Learn how to solve inequalities problems step by step online.

$7x^2+21x<0+28$

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Learn how to solve inequalities problems step by step online. Solve the inequality 7x^2+21x+-28<0. Moving the term -28 to the other side of the inequation with opposite sign. Add the values 0 and 28. Factor the polynomial 7x^2+21x by it's greatest common factor (GCF): 7x. Divide both sides of the inequation by 7.

Final Answer

$x<1$

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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

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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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