Question

ܩܠܝܬ
expanded from
'

(2x+1) cube3​

Answer 1

Answer:

8x^3+12x^2+6x+1

Step by step explanation:

Here, we will use below formulas:

(x+y)^3 =x^3+y^3+3xy(x+y)(x+y)^3

=x^3+y^3+3xy(x+y)

(2x+1)^3 =(2x)^3+(1)^3+3⋅2x⋅1(2x+1)(2x+1)^3

=(2x)3+(1)3+3⋅2x⋅1(2x+1)

=8x^3+12x^2+6x

=8x^3+12x^2+6x+1