Algebra Examples

Simplify (2x-y)^2
(2x-y)2
Step 1
Rewrite (2x-y)2 as (2x-y)(2x-y).
(2x-y)(2x-y)
Step 2
Expand (2x-y)(2x-y) using the FOIL Method.
Tap for more steps...
Step 2.1
Apply the distributive property.
2x(2x-y)-y(2x-y)
Step 2.2
Apply the distributive property.
2x(2x)+2x(-y)-y(2x-y)
Step 2.3
Apply the distributive property.
2x(2x)+2x(-y)-y(2x)-y(-y)
2x(2x)+2x(-y)-y(2x)-y(-y)
Step 3
Simplify and combine like terms.
Tap for more steps...
Step 3.1
Simplify each term.
Tap for more steps...
Step 3.1.1
Rewrite using the commutative property of multiplication.
22xx+2x(-y)-y(2x)-y(-y)
Step 3.1.2
Multiply x by x by adding the exponents.
Tap for more steps...
Step 3.1.2.1
Move x.
22(xx)+2x(-y)-y(2x)-y(-y)
Step 3.1.2.2
Multiply x by x.
22x2+2x(-y)-y(2x)-y(-y)
22x2+2x(-y)-y(2x)-y(-y)
Step 3.1.3
Multiply 2 by 2.
4x2+2x(-y)-y(2x)-y(-y)
Step 3.1.4
Rewrite using the commutative property of multiplication.
4x2+2-1xy-y(2x)-y(-y)
Step 3.1.5
Multiply 2 by -1.
4x2-2xy-y(2x)-y(-y)
Step 3.1.6
Rewrite using the commutative property of multiplication.
4x2-2xy-12yx-y(-y)
Step 3.1.7
Multiply -1 by 2.
4x2-2xy-2yx-y(-y)
Step 3.1.8
Rewrite using the commutative property of multiplication.
4x2-2xy-2yx-1-1yy
Step 3.1.9
Multiply y by y by adding the exponents.
Tap for more steps...
Step 3.1.9.1
Move y.
4x2-2xy-2yx-1-1(yy)
Step 3.1.9.2
Multiply y by y.
4x2-2xy-2yx-1-1y2
4x2-2xy-2yx-1-1y2
Step 3.1.10
Multiply -1 by -1.
4x2-2xy-2yx+1y2
Step 3.1.11
Multiply y2 by 1.
4x2-2xy-2yx+y2
4x2-2xy-2yx+y2
Step 3.2
Subtract 2yx from -2xy.
Tap for more steps...
Step 3.2.1
Move y.
4x2-2xy-2xy+y2
Step 3.2.2
Subtract 2xy from -2xy.
4x2-4xy+y2
4x2-4xy+y2
4x2-4xy+y2
(2x-y)2
(
(
)
)
|
|
[
[
]
]
7
7
8
8
9
9
4
4
5
5
6
6
/
/
^
^
×
×
>
>
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
π
π
,
,
0
0
.
.
%
%
=
=
 [x2  12  π  xdx ]