Question

simplify the expression 7m2+6.5n-4n+2.5m2-n

Answer 1

combine ike terms...
7m^2 + 2.5m^2 =
6.5n - 4n - n =

do the math and what do you get ?

Answer 2

2.5n?

Answer 3

no....what is 7m^2 + 2.5m^2 ?

Answer 4

add 7 and 2.5 and what do you get ?

Answer 5

9.5

Answer 6

okay...we have 9.5m^2
now do the math for this : 6.5n - 4n - n
can you do that ? Just pay attention to the numbers

Answer 7

1.5n?

Answer 8

correct.....now put it all together and you have :
9.5m^2 + 1.5n

Answer 9

thanks

Answer 10

no problem :)