Question

Write the following cubes in expanded form (1)2x+1)3?answer

Answer 1

Answer:

8 x cube + 12 x square + 6x +1

Step-by-step explanation:

have have a look at the attachment

Answer 2

Answer:

$= (2x + 1)^{3} \\\\= (2x)^{3} + (1)^{3} + 3(2x)(1)(2x + 1)\\\\= 8x^{3} + 1 + 6x(2x + 1)\\\\= 8x^{3} + 1 + 12x^{2} + 6x\\\\= 8x^{3} + 12x^{2} + 6x + 1$