Respuesta :

cyxical
The expression (3a+4) is equivalent to 9a+12
If you distribute the 3 to both parts of the expression (multiply 3*3a and 3*4)
The expression would be equivalent to 9a+12

I hope this helped!! (if so give brainliest please!)

EvennySlopez
The equivalent expression to 9a + 12 is 3(3a+4)