B-8y when b=-6 and y=4

Which value of c would make he following expression completely factored? 8x+cy

Find the roots of the equation below. x^2 - 6 + 9 = 0

Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0