Question

By using long division, divide 4x3 + x2 – 36x - 9 by 4x + 1.​

Answer 1

• Answer:

`(4x^(3)+x^(2)-36x-9)/(4x+1)=(x^(2)(4x+1)-9(4x+1))/(4x+1)\\ \\=((4x+1)(x^(2)-9))/(4x+1)\\ \\=x^(2)-9\\ \\=(x-3)(x+3)`