Question

please answer with full explanation​

Answer 1

hope this will be help full to you

Answer 2

$2(x + 3) = 27 \\ 2x + 6 = 27 \\ 2x = 21 \\ x = \cancel\dfrac{21}{2} \\ x = 10.5 \\ \\ \\ (a - 4b)(4a - b) \\ a(4a - b) - 4b(4a - b) \\ {4a}^{2} - ab - 4(4a - b) \\ 4a {}^{2} - 17ab + {4b}^{2} \\ \\ volume \: of \: cubical \: box = {v}^{3} \\ = {5.3}^{3} \\ = 148.88 {m}^{3}$