Respuesta :
Answer:
12x+45
Step-by-step explanation:
3(4x+15)
multiply whatever is in the brackets with what is outside.
3×4x =12x
Now you need to do the same with the other side. Multiply the number outside the brackets with what is inside
3×(+)15 =+45
Put it together and it makes:
12x+45.
I hope this helped you and if you need any help, you can just ask me. x
Answer:
x= -3.75
Step-by-step explanation:
Writing the equation in standard form
[tex]3(4x+15)=0[/tex]
Solving the equation to find the value of 'x'
[tex]12x+45=0\\12x=-45\\x=-45/12\\x=-3.75[/tex]
So, for the given equation the simplified equation gives the value of x= -3.75