Question

35z^2-875/49z^2-1225

Answer 1

if z is not equal to +5 or -5, then the answer will be 5/7

Answer 2

so, factor out 35 on the top and 49 on the bottom and then factor the remaining binomial.

Answer 3

Always see if you can factor the leading coefficient out of the expression first.

Answer 4

Did you figure it out?

Answer 5

Take 7 common and cancel
\[5z ^{2}-125/7z ^{2}-175\]
That is
\[5(z ^{2}-25)/7(z ^{2}-25)\]
Cancel and answer is 5/7