A way you can show work is just not use the commas then subtract then put the commas in when you're done. And, if the bigger number isn't as big or has as many numbers behind the decimal as the first one, add a zero at the end.
Step-by-step explanation:
4x^2-9
=(2x)^2 -3^2
=(2x+3) (2x-3)
Hope this helps you.
6*7=42
It’s the answer I guess.
Answer:
p*106.5/100
Step-by-step explanation:
the perimeter is 35 and are is 40
