Respuesta :

UniTy2020

Answer:

The question needs more information. We don't know what's the x. The number that represents the variable X in the parentheses. Or it could be like:

Step-by-step explanation:

babemidehade

Step-by-step explanation:

opening the bracket

5x-30=(2x+6)2

5x-30=4x+12

collecting like terms

5x-4x=12+30

x=42