Question

me pueden dar resolviendo este ejercicio de Polinomios

(x2+3x+1) - (2x2+x-2)

Answer 1

(x2+3x+1) - (2x2+x-2) = 3

x2+3x+1 - (2x2+x-2)

(2x2+x-2) = -(5x-2)

- 5x-2 = -5x +2

2+3x+1-5x+2

=3

Answer 2

$= x^{2} +3x+1-2x^{2} -x+2 = -x^{2} +2x + 3 = x^{2} -2x - 3 = (x+1) (x-3)$