Math, asked by umgmdr5, 3 months ago

find the cube of:

2x + 3y

Answers

Answered by NotEightGrade

1

Answer:

8x3+36x2y+54xy2+27y3

Step-by-step explanation:

=(2x+3y)*(2x+3y)*(2x+3y)

=(2x+3y)(4x2+12xy+9y2)

=(2x)(4x2)+(2x)(12xy)+(2x)(9y2)+(3y)(4x2)+(3y)(12xy)+(3y)(9y2)

=8x3+24x2y+18xy2+12x2y+36xy2+27y3

=8x3+36x2y+54xy2+27y3

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