Question

fill in the blanks (a_b)3 =a3_------+3ab2_b2​

Answer 1

Answer:

Here's your answer

Step-by-step explanation:

(a-b) 3

=(a+b)

2

(a+b)

=(a

2

+2ab+b

2

)(a+b)

=a

3

+2a

2

b+ab

2

+a

2

b+2ab

2

+b

3

=a

3

+3a

2

b+3ab

2

+b

3

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Answer 2

$( {a + b})^{3} = {a}^{3 } + 3 {a}^{2} b + 3a {b}^{2} + {b}^{3}$

${(a - b)}^{3} = {a}^{3} - 3 {a}^{2} b + 3 a{b}^{2} - {b}^{3}$