a^2-b^2 = (a-b)(a+b)
y^2 - 25(x-1)
unfortunately (x-1) is not a square of anything but (x-1)^.5 :)
I suppose you could say
[ y - 5 sqrt(x-1) ] [y + 5 sqrt(x-1) ]
but that is really stretching it
is the polynomial::
y^2-25x+25 a difference of squares, if so factor it.
Thank you so much!!
1 answer