Question

(8x+3)3
Please answer my question in step by step and completely​

Answer 1

Answer:

$(8x + 3) {}^{3 } \\ putting \: 8x = a \: and \: 3 = y \: we \: get \: \\ = (a + b) {}^{3 } \\ = a {}^{3 } + b {}^{3 } + 3ab(a + b) \\ = (8x) { }^{3 } + (3) {}^{3} + 3 \times 8x \times 3(8x + 3) \\ = 512x {}^{3} + 27 + 576x {}^{2} + 216x$