Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!@!@!. 49X^6+7X^7/28X^8

1 answer

I have a feeling you meant:

(49X^6+7X^7)/(28X^8)
take out a common factor

= 7x^6( 7 + x)/(28x^8)

now divide

= (7+x)/(4x^2)

now we divided top and bottom by a variable. If that variable is zero, we just divided by zero, which is a mathematical no-no.

so we have to state a restriction of x ≠ 0

(49X^6+7X^7)/(28X^8)

= (x+7)/(4x^2) , x ≠ 0