Monday

January 26, 2015

January 26, 2015

Posted by **Zura** on Sunday, December 2, 2012 at 6:57am.

y=x^3+x^2-100x-100

I know that the answer is (10,0),(-10,0),(-1,0) I don't understand how to get (-10,0) and (10,0)

- college algebra -
**Steve**, Sunday, December 2, 2012 at 7:25amif you rearrange things a bit, you see

x^3-100x + x^2-100

= x(x^2-100) + 1(x^2-100)

= (x+1)(x^2-100)

= (x+1)(x-10)(x+10)

**Answer this Question**

**Related Questions**

college algebra - Need help in finding all vertical, horizontal, and slant ...

6th grade math - Hi.. i'm a little confused on using proprtion equations to ...

I need someone to check this - Add and Simplify: 100x/x+10 + x^3/x+10 I have the...

math - You have two formulas to use: A = lw -->area = length times width P = ...

Business - In planning a new item, a manufactuer assumes that the number of ...

college algebra - graph the function and state the vertex axis of symmetry, the ...

College Algebra - Suppose that the Quadratic equation had two X-intercepts. How ...

College algebra - I need help finding an equation of the line containg (-5,-9)...

algebra - In finding distance problems i understand the use of formula of d/rt ...

Math - I need help with finding an equation to a line. Its finding an equation ...