Question

(iii) 10y ( 6y + 21) = 5(2y + 7)​

Answer 1

Step-by-step explanation:

10y ( 6y + 21) = 5(2y + 7)

60y^2+210y=10y+35

60y^2+210-10y-35

60y^2+200y-35.

hope it's helps you...

Answer 2

60y^+210y = 10y+35

60y^+210y-10y = 35

60y^+200y = 35

10y(6y+20) =35

60y^ =35-20

60y^ = 15

y^ =15/60

y^ = 1/4

y=√1/4

y = 1/2