I NEED ANSWER ASAP!
Which shows all the like terms in the expression?
4x -3 + 7 x + 1

1. –3 and 1; 4x and –3
2. –3 and 1; 4x and 7x
3. 4x and 1; 7x and –3
4. 4x and –3; 1 and 7