Question

One factor of F(x)=5x^3+5x^2-170+280 is (x + 7). What are all the roots of the function? Use the Remainder Theorem. x = –4, x = –2, or x = 7 x = –7, x = 2, or x = 4 x = –7, x = 5, or x = 280 x = –280, x = –5, or x = 7

Answer 1

is it x=-4, x=-2?