Question

12y(5y-7)(4y+9)=0
please show step by step to solve

Answer 1

y=0,y=7/5,y=-9/4

Explanation:

12y(5y-7)(4y+9)=0

Using the zero product property

12y =0 (5y-7) =0 (4y+9)=0

12y/12 =0/12 5y-7 +7 =0+7 4y+9-9=0-9

y =0 5y = 7 4y = -9

5y/5 = 7/5 4y/4 =-9/4

y = 7/5 y =-9/4