Question

C. (x3 + 8x2 - 23x - 30) . (x + 10)​

Answer 1

(X^3+8x^2-23x-30)(x+10)
=x^4+8x^3-23x^2-30x+10X^3+80x^2-230x-300
=x^4+18x^3+57x^2-260x-300