Question

What are the zeros of 7x3+70x2+84x+8=0 ?

Answer 1

$21 + 140 + 84x + 8 = 0 \\ 161 + 84x + 8 = 0 \\ 169 = - 84x \\ x = \frac{ - 169}{84 }$

1. simplifie the value of x and get answer
2. I hope you satified this answer