Math, asked by maskagsingh, 26 days ago

simplify the following (a-3b)^2​

Answers

Answered by santwanamohanty3
0

Answer:

Step-by-step explanation:

(

3

)

2

\left(a-3b\right)^{2}

(a−3b)2

(

3

)

(

3

)

(a-3b)(a-3b)

(a−3b)(a−3b)

2

Distribute

(

3

)

(

3

)

{\color{#c92786}{(a-3b)(a-3b)}}

(a−3b)(a−3b)

(

3

)

3

(

3

)

{\color{#c92786}{a(a-3b)-3b(a-3b)}}

a(a−3b)−3b(a−3b)

3

Distribute

(

3

)

3

(

3

)

{\color{#c92786}{a(a-3b)}}-3b(a-3b)

a(a−3b)−3b(a−3b)

2

3

3

(

3

)

{\color{#c92786}{a^{2}-3ab}}-3b(a-3b)

a2−3ab−3b(a−3b)

4

Distribute

2

3

3

(

3

)

a^{2}-3ab{\color{#c92786}{-3b(a-3b)}}

a2−3ab−3b(a−3b)

2

3

3

+

9

2

a^{2}-3ab{\color{#c92786}{-3ab+9b^{2}}}

a2−3ab−3ab+9b2

5

Combine like terms

2

3

3

+

9

2

a^{2}{\color{#c92786}{-3ab}}{\color{#c92786}{-3ab}}+9b^{2}

a2−3ab−3ab+9b2

2

6

+

9

2

a^{2}{\color{#c92786}{-6ab}}+9b^{2}

a2−6ab+9b2

Solution

2

6

+

9

2

Answered by amitkumararyan1080
0

Step-by-step explanation:

=> a-3b

=> 2a-6b

=> -4ab.

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