Question

Expand the following number
(2x+5)^3

Answer 1

Answer:

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(a+b)³ = a³ + b³ = 3ab(a+b)

a = 2x

b = 5

(2x+5)³ = (2x)³ + (5)³ + 3(2x)(5)(2x+5)

(2x+5)³ = 8x³ + 125 + 30x(2x+5)

(2x+5)³ = 8x³ + 125 + 60x² + 150x

Rearrange according to terms

(2x+5)³ = 8x³ + 60x² + 150x + 125

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Step-by-step explanation:

Answer 2

Answer:

answer is

(2x+5) ^3 =8x^3 +60x^2 +159x+125