Question

By using standard formulae,expand 〖(x+2)〗^3.

Answer 1

Answer:

x^2+8+6x^2+12x

Step-by-step explanation:

its ans by solving it ..

formula (x+y)^3=x^3+y^3+3x^2y+3xy^2

Answer 2

Answer:

x³+6x²+12x+8

Step-by-step explanation:

We know that (a+b)³ = a³+b³+3ab(a+b)

[x+2]³ = x³+2³+3(x)(2)(x+2)

[x+2]³ = x³+8+6x(x+2)

[x+2]³ = x³+8+6x²+12x

[x+2]³ = x³+6x²+12x+8

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