Question

(2x + 1) cube answer plz ​

Answer 1

Step-by-step explanation:

$(a + b) ^{3} = {a}^{3 } + 3 {a}^{2} b + 3a {b}^{2} + {b}^{3}$

(2x + 1) cube

$(2x + 3) ^{?} = (2x) ^{3} +3 (2x) ^{2} (1) + 3(2x) {1}^{2} + {1}^{3}$

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