Reference
Practice
Premium
Log In
English
English ✔
Español
日本語
简体中文
繁體中文
\[{x}^{2}-27x+92=0\]
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
Choose Topic
Examples
"(x+1)/2+4=7"
"factor x^2+5x+6"
"integrate cos(x)^3"
More »
x^(2)-27x+92=0
x^(2)-27x+92=0
{x}^{2}-27x+92=0
1
Factor
x
2
−
27
x
+
92
{x}^{2}-27x+92
x
2
−
2
7
x
+
9
2
.
1
Ask: Which two numbers add up to
−
27
-27
−
2
7
and multiply to
92
92
9
2
?
−
23
-23
−
2
3
and
−
4
-4
−
4
2
Rewrite the expression using the above.
(
x
−
23
)
(
x
−
4
)
(x-23)(x-4)
(
x
−
2
3
)
(
x
−
4
)
To get access to all 'How?' and 'Why?' steps, join
Cymath Plus
!
(
x
−
23
)
(
x
−
4
)
=
0
(x-23)(x-4)=0
(
x
−
2
3
)
(
x
−
4
)
=
0
2
Solve for
x
x
x
.
1
Ask: When will
(
x
−
23
)
(
x
−
4
)
(x-23)(x-4)
(
x
−
2
3
)
(
x
−
4
)
equal zero?
When
x
−
23
=
0
x-23=0
x
−
2
3
=
0
or
x
−
4
=
0
x-4=0
x
−
4
=
0
2
Solve each of the 2 equations above.
x
=
23
,
4
x=23,4
x
=
2
3
,
4
To get access to all 'How?' and 'Why?' steps, join
Cymath Plus
!
x
=
23
,
4
x=23,4
x
=
2
3
,
4
Done
x=23,4
Like this solution? Share it!
Copy Link
How can we make this solution more helpful?
English
Choose Topic
