Reference
Practice
Premium
Log In
English
English ✔
Español
日本語
简体中文
繁體中文
\[(x-11)(x+10)\]
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
Choose Topic
Examples
"(x+1)/2+4=7"
"factor x^2+5x+6"
"integrate cos(x)^3"
More »
expand((x-11)(x+10))
expand (x-11)(x+10)
(x-11)(x+10)
1
Use the FOIL method:
(
a
+
b
)
(
c
+
d
)
=
a
c
+
a
d
+
b
c
+
b
d
(a+b)(c+d)=ac+ad+bc+bd
(
a
+
b
)
(
c
+
d
)
=
a
c
+
a
d
+
b
c
+
b
d
.
x
2
+
10
x
−
11
x
−
110
{x}^{2}+10x-11x-110
x
2
+
1
0
x
−
1
1
x
−
1
1
0
2
Collect like terms.
x
2
+
(
10
x
−
11
x
)
−
110
{x}^{2}+(10x-11x)-110
x
2
+
(
1
0
x
−
1
1
x
)
−
1
1
0
3
Simplify.
x
2
−
x
−
110
{x}^{2}-x-110
x
2
−
x
−
1
1
0
Done
x^2-x-110
Like this solution? Share it!
Copy Link
How can we make this solution more helpful?
English
Choose Topic
