Posted by **Nola** on Monday, August 4, 2014 at 8:39pm.

multiply the polynomial (x-1)(2x squared-x-3)

- Algebra -
**Damon**, Monday, August 4, 2014 at 8:39pm
Did I not just do that ?

- Algebra -
**Damon**, Monday, August 4, 2014 at 8:40pm
again:

http://www.jiskha.com/display.cgi?id=1407198511

- Algebra -
**Nola**, Monday, August 4, 2014 at 8:46pm
x(2x squared-x-3)+ 1(2x squared-x-3)

x.2x squared+x.x+x.3+2x squared-x-3

2x cube+x squared+3x+2x squared-x-3

5x squared-2x squared-3x

- Algebra -
**Damon**, Monday, August 4, 2014 at 8:59pm
Your notation is extremely awkward. We normally write x to a power as

x^power like x^3 is x cubed

Now I will do it your way but you have errors starting with the sign in the first line

x(2x squared-x-3)+ 1(2x squared-x-3)

should be

x(2x squared-x-3) - 1(2x squared-x-3)

then

x*2xsquared -x*x -3x -2xsquared +x+3

or

2 x cubed - 3 x squared -2 x +3

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