Algebra
posted by Nola .
multiply the polynomial (x1)(2x squaredx3)

Did I not just do that ?


x(2x squaredx3)+ 1(2x squaredx3)
x.2x squared+x.x+x.3+2x squaredx3
2x cube+x squared+3x+2x squaredx3
5x squared2x squared3x 
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 squaredx3)+ 1(2x squaredx3)
should be
x(2x squaredx3)  1(2x squaredx3)
then
x*2xsquared x*x 3x 2xsquared +x+3
or
2 x cubed  3 x squared 2 x +3
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