Question

find the remainder when x3+3x2+3x+1 is divided by x-1​

Answer 1

$x - 1 = 0 \\ = > x = 1 \\ \\ = > (1) {}^{3} + 3(1) {}^{2} + 3(1) + 1 \\ = > 1 + 3 + 3 + 1 \\ = > 8 \: \: remainder$