Math, asked by prenasharma0123, 4 months ago

Please help me out
( - 9x - 6z - 4y) {}^{2}
Not gettin this answer!!!​

Answers

Answered by adityak4m6le007
2

Answer:

Rearrange terms

(

9

6

4

)

2

({\color{#c92786}{-9x-6z-4y}})^{2}

(−9x−6z−4y)2

(

9

4

6

)

2

({\color{#c92786}{-9x-4y-6z}})^{2}

(−9x−4y−6z)2

2

Expand the square

(

9

4

6

)

2

(-9x-4y-6z)^{2}

(−9x−4y−6z)2

(

9

4

6

)

(

9

4

6

)

(-9x-4y-6z)(-9x-4y-6z)

(−9x−4y−6z)(−9x−4y−6z)

3

Distribute

(

9

4

6

)

(

9

4

6

)

{\color{#c92786}{(-9x-4y-6z)(-9x-4y-6z)}}

(−9x−4y−6z)(−9x−4y−6z)

9

(

9

4

6

)

4

(

9

4

6

)

6

(

9

4

6

)

{\color{#c92786}{-9x(-9x-4y-6z)-4y(-9x-4y-6z)-6z(-9x-4y-6z)}}

−9x(−9x−4y−6z)−4y(−9x−4y−6z)−6z(−9x−4y−6z)

4

Distribute

9

(

9

4

6

)

4

(

9

4

6

)

6

(

9

4

6

)

{\color{#c92786}{-9x(-9x-4y-6z)}}-4y(-9x-4y-6z)-6z(-9x-4y-6z)

−9x(−9x−4y−6z)−4y(−9x−4y−6z)−6z(−9x−4y−6z)

8

1

2

+

3

6

+

5

4

4

(

9

4

6

)

6

(

9

4

6

)

{\color{#c92786}{81x^{2}+36xy+54xz}}-4y(-9x-4y-6z)-6z(-9x-4y-6z)

81x2+36xy+54xz−4y(−9x−4y−6z)−6z(−9x−4y−6z)

5

Distribute

8

1

2

+

3

6

+

5

4

4

(

9

4

6

)

6

(

9

4

6

)

81x^{2}+36xy+54xz{\color{#c92786}{-4y(-9x-4y-6z)}}-6z(-9x-4y-6z)

81x2+36xy+54xz−4y(−9x−4y−6z)−6z(−9x−4y−6z)

8

1

2

+

3

6

+

5

4

+

3

6

+

1

6

2

+

2

4

6

(

9

4

6

)

81x^{2}+36xy+54xz+{\color{#c92786}{36xy+16y^{2}+24yz}}-6z(-9x-4y-6z)

81x2+36xy+54xz+36xy+16y2+24yz−6z(−9x−4y−6z)

6

Distribute

8

1

2

+

3

6

+

5

4

+

3

6

+

1

6

2

+

2

4

6

(

9

4

6

)

81x^{2}+36xy+54xz+36xy+16y^{2}+24yz{\color{#c92786}{-6z(-9x-4y-6z)}}

81x2+36xy+54xz+36xy+16y2+24yz−6z(−9x−4y−6z)

8

1

2

+

3

6

+

5

4

+

3

6

+

1

6

2

+

2

4

+

5

4

+

2

4

+

3

6

2

81x^{2}+36xy+54xz+36xy+16y^{2}+24yz+{\color{#c92786}{54xz+24yz+36z^{2}}}

81x2+36xy+54xz+36xy+16y2+24yz+54xz+24yz+36z2

7

Combine like terms

8

1

2

+

3

6

+

5

4

+

3

6

+

1

6

2

+

2

4

+

5

4

+

2

4

+

3

6

2

81x^{2}+{\color{#c92786}{36xy}}+54xz+{\color{#c92786}{36xy}}+16y^{2}+24yz+54xz+24yz+36z^{2}

81x2+36xy+54xz+36xy+16y2+24yz+54xz+24yz+36z2

8

1

2

+

7

2

+

5

4

+

1

6

2

+

2

4

+

5

4

+

2

4

+

3

6

2

81x^{2}+{\color{#c92786}{72xy}}+54xz+16y^{2}+24yz+54xz+24yz+36z^{2}

81x2+72xy+54xz+16y2+24yz+54xz+24yz+36z2

8

Combine like terms

8

1

2

+

7

2

+

5

4

+

1

6

2

+

2

4

+

5

4

+

2

4

+

3

6

2

81x^{2}+72xy+{\color{#c92786}{54xz}}+16y^{2}+24yz+{\color{#c92786}{54xz}}+24yz+36z^{2}

81x2+72xy+54xz+16y2+24yz+54xz+24yz+36z2

8

1

2

+

7

2

+

1

0

8

+

1

6

2

+

2

4

+

2

4

+

3

6

2

81x^{2}+72xy+{\color{#c92786}{108xz}}+16y^{2}+24yz+24yz+36z^{2}

81x2+72xy+108xz+16y2+24yz+24yz+36z2

9

Combine like terms

8

1

2

+

7

2

+

1

0

8

+

1

6

2

+

2

4

+

2

4

+

3

6

2

81x^{2}+72xy+108xz+16y^{2}+{\color{#c92786}{24yz}}+{\color{#c92786}{24yz}}+36z^{2}

81x2+72xy+108xz+16y2+24yz+24yz+36z2

8

1

2

+

7

2

+

1

0

8

+

1

6

2

+

4

8

+

3

xD Lᴏʟ ʜᴀʜᴀʜ

Similar questions