Question

If the remainder on division of x3+2x2+kx+3 by x-3 is 21 find the quotient and value of k by long division

Answer 1

hey
$3x + 2 \times 2 + kx + 3 \div x - 3 = 24 \\ 3x \div x + 3 + 2 \times 2 - 3 + kx = 24$
hope I helped u