Question

9. The product obtained on multiplying x3+3x2-5x by (x-1) is a
monomial
binomial
O trinomial
none of these
Required

Answer 1

Answer:

$( x - 1) \times {x}^{3} + 3x {}^{2} - 5x \\ x \times ( {x}^{3} + 3 {x}^{2} - 5x) - 1 \times ( {x}^{3} + 3 {x}^{2} - 5x) \\ {x}^{4} + 3 {x}^{3} - 5 {x}^{2} - {x}^{3} - 3 {x}^{2} + 5x \\ {x}^{4} + 2 {x}^{3} - 8 {x}^{2} + 5x$