Simplify the equation and write it in standard form.
168=(x+1)(x-4)(x)

Question

Simplify the equation and write it in standard form. 
168=(x+1)(x-4)(x)

anonymous · Answer

@Baby_Bear69

vheah · Answer

1) Multiply: Distribute the (x) to (x+1)(x-4) and you will get
$$(x ^{2}+x)(x ^{2}-4x)$$

2) Foil that equation to get one whole answer, instead of two things being multiplied to each other.

anonymous · Answer

You distribute (x) to (x+1) or to (x-4), but no to both. if you do so you would end with a  quartic equation instead of a cubic equation.

anonymous · Answer

You can also foil (x+1)(x-4) = x^2-3x-4 and then distribute (x) to that to get                 x^3-3x^2-4x. then subtract 168 from both sides and you end with x^3-3x^2-4x-168

directrix · Answer

x^3 -3x^2 -4x - 168 = 0

anonymous · Answer

@directrix is that the final answer?

directrix · Answer

Simplify the equation and write it in standard form. 

The polynomial in standard form is:  x^3-3x^2-4x-168

But, the instructions ask for the polynomial equation in standard form.

I assume that to be this:

f(x) = x^3-3x^2-4x-168    @j_slate233

anonymous · Answer

Thank you!!! @Directrix

directrix · Answer

You are welcome.