SOLUTION: your final answer for each part must be a polynomial in standard form a) addition (12y^3-20y^2-10y+19)+(15y^4-17y^3+24y^2+29y-15) b) subtraction (-19y^3+19y^2+3y+19)-(-8y^

Algebra ->  Exponents -> SOLUTION: your final answer for each part must be a polynomial in standard form a) addition (12y^3-20y^2-10y+19)+(15y^4-17y^3+24y^2+29y-15) b) subtraction (-19y^3+19y^2+3y+19)-(-8y^      Log On


   

Question 52835: your final answer for each part must be a polynomial in standard form
a) addition (12y^3-20y^2-10y+19)+(15y^4-17y^3+24y^2+29y-15)

b) subtraction (-19y^3+19y^2+3y+19)-(-8y^3-30y^2-2y-25)
Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
Combine your like terms. Like terms have the exact same variables raised to the exact same powers.
a)addition
%2812y%5E3-20y%5E2-10y%2B19%29%2B%2815y%5E4-17y%5E3%2B24y%5E2%2B29y-15%29
15y%5E4%2B%2812-17%29y%5E3%2B%28-20%2B24%29y%5E2%2B%28-10%2B29%29y%2B%2819-15%29
15y%5E4-5y%5E3%2B4y%5E2%2B19y%2B4
b) subtraction
%28-19y%5E3%2B19y%5E2%2B3y%2B19%29-%28-8y%5E3-30y%5E2-2y-25%29
%28-19y%5E3%2B19y%5E2%2B3y%2B19%29%2B%288y%5E3%2B30y%5E2%2B2y%2B25%29
%28-19%2B8%29y%5E3%2B%2819%2B30%29y%5E2%2B%283%2B2%29y%2B%2819%2B25%29
-11y%5E3%2B49y%5E2%2B5y%2B44