Question

write the coefficients of x^2is the expunction of (x-2)^3​

Answer 1

$answer$

${(a - b)}^{3} = {a}^{3} - {b}^{3} - 3ab(a - b)$

${(x - 2)}^{3} \: = {x}^{3} - {2}^{3} - 3 \times x \times 2(x - 2)$

${(x - 2)}^{3} = {x}^{3} - 8 - 6 {x }^{2} + 12x$

Therefore coefficient is -6.