Math, asked by abc11263, 1 month ago

Factorise
(7x+5y)^2-4z^2

Answers

Answered by poojithashankar2008
2

( 7x + 5y ) ² - 4z²

49x² + 70xy + 25y² - 4z²

hope helpful for you

Answered by Anonymous
1

हिंदी में खोजें

फैक्टरिंग 7x 5 वर्ष 2 4z 2

How to solve your question

Your question is

(

7

+

5

)

2

4

2

(7x+5y)^{2}-4z^{2}

(7x+5y)2−4z2

Simplify

1

Expand the square

(

7

+

5

)

2

4

2

\left(7x+5y\right)^{2}-4z^{2}

(7x+5y)2−4z2

(

7

+

5

)

(

7

+

5

)

4

2

(7x+5y)(7x+5y)-4z^{2}

(7x+5y)(7x+5y)−4z2

2

Distribute

(

7

+

5

)

(

7

+

5

)

4

2

{\color{#c92786}{(7x+5y)(7x+5y)}}-4z^{2}

(7x+5y)(7x+5y)−4z2

7

(

7

+

5

)

+

5

(

7

+

5

)

4

2

{\color{#c92786}{7x(7x+5y)+5y(7x+5y)}}-4z^{2}

7x(7x+5y)+5y(7x+5y)−4z2

3

Distribute

7

(

7

+

5

)

+

5

(

7

+

5

)

4

2

{\color{#c92786}{7x(7x+5y)}}+5y(7x+5y)-4z^{2}

7x(7x+5y)+5y(7x+5y)−4z2

4

9

2

+

3

5

+

5

(

7

+

5

)

4

2

{\color{#c92786}{49x^{2}+35xy}}+5y(7x+5y)-4z^{2}

49x2+35xy+5y(7x+5y)−4z2

4

Distribute

4

9

2

+

3

5

+

5

(

7

+

5

)

4

2

49x^{2}+35xy+{\color{#c92786}{5y(7x+5y)}}-4z^{2}

49x2+35xy+5y(7x+5y)−4z2

4

9

2

+

3

5

+

3

5

+

2

5

2

4

2

49x^{2}+35xy+{\color{#c92786}{35xy+25y^{2}}}-4z^{2}

49x2+35xy+35xy+25y2−4z2

5

Combine like terms

4

9

2

+

3

5

+

3

5

+

2

5

2

4

2

49x^{2}+{\color{#c92786}{35xy}}+{\color{#c92786}{35xy}}+25y^{2}-4z^{2}

49x2+35xy+35xy+25y2−4z2

4

9

2

+

7

0

+

2

5

2

4

2

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