Multiply(2x^3-5x^2-x+7)  by  (3-2x+4x^2)

Asked by ajayrath7 | 29th Aug, 2017, 05:35: PM

Expert Answer:

begin mathsize 16px style open parentheses 2 straight x cubed minus 5 straight x squared minus straight x plus 7 close parentheses open parentheses 3 minus 2 straight x plus 4 straight x squared close parentheses
2 straight x cubed open parentheses 3 minus 2 straight x plus 4 straight x squared close parentheses minus 5 straight x squared open parentheses 3 minus 2 straight x plus 4 straight x squared close parentheses minus straight x open parentheses 3 minus 2 straight x plus 4 straight x squared close parentheses plus 7 open parentheses 3 minus 2 straight x plus 4 straight x squared close parentheses
6 straight x cubed minus 4 straight x to the power of 4 plus 8 straight x to the power of 5 minus 15 straight x squared plus 10 straight x cubed minus 20 straight x to the power of 4 minus 3 straight x plus 2 straight x squared minus 4 straight x cubed plus 21 minus 14 straight x plus 28 straight x squared
8 straight x to the power of 5 plus open parentheses negative 4 straight x to the power of 4 minus 20 straight x to the power of 4 close parentheses plus open parentheses 6 straight x cubed plus 10 straight x cubed minus 4 straight x cubed close parentheses plus open parentheses negative 15 straight x squared plus 2 straight x squared plus 28 straight x squared close parentheses plus open parentheses negative 3 straight x minus 14 straight x close parentheses plus 21
8 straight x to the power of 5 minus 24 straight x to the power of 4 plus 12 straight x cubed plus 15 straight x squared minus 17 straight x plus 21 end style

Answered by Sneha shidid | 6th Dec, 2017, 02:37: PM