Posted by Alex on .
Can you check this,please?
10−��^0+5(9−��)
Ans: 10x^0+ 455x
= 10  1 + 45  5x
= 9 + 45  5x
= 54  5x
OR
10−��^0+5(9−��)
= 10  x +455x
= 556x?

6th grade math 
Steve,
x^0 = 1 for any value except x=0
So, the first solution is correct