The product of the polynomials (3x 2) and (-x3 – 3) is -3x^5-9x² proof (3x 2) (-x3 – 3) = -3x^5-9x² the main rules are as follows: if we have ax^p multiplying by bx^q, so we can do the calculus as (ax^p)( bx^q)=(ab)x^p+q
It will be 52 as you know when looking at a triangle with 3 angles they must all add up to 180 so you simply do 56+72 then subtract 180 from it and you get 52.
