exam Maths Puzzle Numerical Ability

The problem is as follows= Given that x=1+2i is a zero for the funtion g(x)=3x^3-2x^2+7x+20, determine the remaining zeros.

The only solutions I know are 1+2i and 1-2i but I am having trouble getting the rest. PlEASE HELP

Read Solution (Total 0)

exam Other Question
Directions: Add or subtract as indicated. Express your result in simplest form.

Problem# 54

(2)/(5w+10) - (3)/(2w-4)

Problem #58

(3)/(x^2+4x+3)- (1)/(x^2-9)

Problem#62

(4y)/(y^2+6y+5) + (2y)/(y^2-1) Simplify

(w^7)^-4