They are both liquid measurements
Although x ² and x both have the variable x, you can’t add them together. So x + x + x + x is 4x and we just leave x ² the same. So the simplified expression is x ² + 4x. I hope this helped!!
Answer:
You can use a number line to subtract -6 from -7. The difference is -1.
Melissa has 85 crayons because you do 36+49