Question

Write the following cubes in expanded form:
(i) (2x+1)³
(ii) (20-3b)³​

Answer 1

Answer: very simple

Step-by-step explanation:see

2x cube +1 cube + 2*2xsquare *1+2*2x*1square

=4x^3+18x^2+4x

Answer 2

Answer is given in the attachment.

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