Question

bro question solve karo​

Answer 1

${x}^{ 3} - 12x(x - 4) - 63 \\ {x}^{3} - 12 {x}^{2} + 48x - 63 \\ {x}^{3} - 3 {x}^{2} - 9 {x}^{2} + 27x+ 21x - 63 \\ {x}^{2}(x - 3) - 9x(x - 3) + 21(x - 3) \\ ( {x}^{2} - 9x + 21)(x - 3)$