Answer:
there is some of it sorry cant realy help
Step-by-step explanation:
3x+2x=5x 5*5=25
Answer:
a+2b
Step-by-step explanation:
2(a+2b) -a-2b
2a+4b-a-2b
a+2b
Espero que no me jusgas por esto que estoy escribiendo
12x40=480
You can first multiply 12x4=48 and then you could put a zero next to the 8