Question

please help me to do this​

Answer 1

Step-by-step explanation:

${(a + b)}^{3} - a - b \\ \\ {a}^{3} + {b}^{3} + 3ab(a + b) - (a + b)$

Hence the required answer is

$\bold{{a}^{3} + {b}^{3} + 3ab(a + b) - (a + b)}$

$\underline{Formula\:used:-}$

$\boxed{{(a+b)}^{3}={a}^{3}+{b}^{3}+3ab(a+b)}$

Answer 2

Answer:

heya mate here's your answer

Step-by-step explanation:

please refer to the attachment for the answer ;-)

#together_we_go_far❤️