Question

5.Write (2x+3y)³ in expanded form​

Answer 1

Answer:

it is the answer for this question

Answer 2

Answer:

$\: \: \: \: \: \: we \: \: will \: \: use \: \: this \: \: identity \: \: \\ to \: \: write \: \: it \: \: in \: \: expanded \: \: form \: \\ (x + y {)}^{3} = {x}^{3} + {y}^{3} + 3xy(x + y) \\ (2x + 3y {)}^{3} = (2x {)}^{3} + (3y {)}^{3} + 3 \times 2x \times 3y(2x + 3y) \\ = 8 {x}^{3} + 27 {y}^{3} + 18xy(2x + 3y) \\ = 8 {x}^{3} + 27 {y}^{3} + 36 {x}^{2} y + 54x {y}^{2} \\ answer$

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