Math, asked by chandanbadoi, 8 months ago

Expand [ x-1/2y+z/3 ]²​

Answers

Answered by Anonymous
3

Answer:

Algebra Examples

Popular Problems Algebra Expand (2x-y+3z)^2

(

2

x

y

+

3

z

)

2

(2x-y+3z)2

Rewrite

(

2

x

y

+

3

z

)

2

(2x-y+3z)2 as

(

2

x

y

+

3

z

)

(

2

x

y

+

3

z

)

(2x-y+3z)(2x-y+3z).

(

2

x

y

+

3

z

)

(

2

x

y

+

3

z

)

(2x-y+3z)(2x-y+3z)

Expand

(

2

x

y

+

3

z

)

(

2

x

y

+

3

z

)

(2x-y+3z)(2x-y+3z) by multiplying each term in the first expression by each term in the second expression.

2

x

(

2

x

)

+

2

x

(

y

)

+

2

x

(

3

z

)

y

(

2

x

)

y

(

y

)

y

(

3

z

)

+

3

z

(

2

x

)

+

3

z

(

y

)

+

3

z

(

3

z

)

2x(2x)+2x(-y)+2x(3z)-y(2x)-y(-y)-y(3z)+3z(2x)+3z(-y)+3z(3z)

Simplify each term.

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4

x

2

2

x

y

+

6

x

z

2

y

x

+

y

2

3

y

z

+

6

z

x

3

z

y

+

9

z

2

4x2-2xy+6xz-2yx+y2-3yz+6zx-3zy+9z2

Subtract

2

y

x

2yx from

2

x

y

-2xy.

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4

x

2

4

x

y

+

6

x

z

+

y

2

3

y

z

+

6

z

x

3

z

y

+

9

z

2

4x2-4xy+6xz+y2-3yz+6zx-3zy+9z2

Add

6

x

z

6xz and

6

z

x

6zx.

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4

x

2

4

x

y

+

y

2

3

y

z

+

12

x

z

3

z

y

+

9

z

2

4x2-4xy+y2-3yz+12xz-3zy+9z2

Subtract

3

z

y

3zy from

3

y

z

-3yz.

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4

x

2

4

x

y

+

y

2

6

y

z

+

12

x

z

+

9

z

2

4x2-4xy+y2-6yz+12xz+9z2

(

2

x

y

+

3

z

)

2

(2x-y+3z)2

(

2

x

y

+

3

z

)

2

z

(2x-y+3z)2z

(

2

x

y

+

3

z

)

2

z

2

(2x-y+3z)2z2

(

2

x

y

+

3

z

)

2

z

3

(2x-y+3z)2z3

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