Question

(x^2+xy-4) (x-y+1) ask answer with solution​

Answer 1

Answer:

$= ( {x}^{2} + xy - 4)(x - y + 1) \\ = {x}^{3} - {x}^{2} y + {x}^{2} + {x}^{2} y - {xy}^{2} + xy - 4x + 4y - 1 \\ = {x}^{3} + {x}^{2} - {xy}^{2} + xy - 4x + 4y - 1$