Write the following cubes in expanded form: (2x+1)^3

Jamya White

Jamya White

Answered question

2023-03-14

Write the following cubes in expanded form: 2x+13

Answer & Explanation

enkestaxn2

enkestaxn2

Beginner2023-03-15Added 5 answers

Need to expand 2x+13:
Use the formula u+v3=u3+v3+3u2v+3uv2.
Put u=2x,v=1.
2x+13=2x3+13+32x21+32x122x+13=8x3+1+12x2+6x
The enlarged version of 2x+13 is therefore 8x3+1+12x2+6x.

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