Question

(7X 3 – 2X 2 + X ) X ( -2X 2 + 3X -7 )

Answer 1

Explicación paso a paso:

$- 14 {x}^{5} + 21 {x}^{4} - 49 {x}^{3} + 4 {x}^{4} - 6 {x}^{3} + 14 {x}^{2} - 2 {x}^{3} + 3 {x}^{2} - 7x = \\ - 14 {x}^{5} + (21 {x}^{4} + 4 {x}^{4}) + ( - 49 {x}^{3} - 6 {x}^{3} - 2 {x}^{3}) + (14 {x}^{2} + 3 {x}^{2} ) - 7x = \\ - 14 {x}^{5} + 25 {x}^{4} - 57 {x}^{3} + 17 {x}^{2} - 7x$