Question

(x + 1) (x² - 3x - 4)​

Answer 1

$(x + 1) (x^{2} - 3x -4)=x*x^2-x*3x-4x+1*x-3x*1-4*1= x^{3} -3x^{2} -4x+x^{2} -3x-4=x^{3} -2x^{2} -7x-4$