Factorise (x-1) - (x^2 -1)
Answers
Answered by
1
(x-1)-(x²-1)
=(x-1)-(x²-1²)
=(x-1)-(x-1)(x+1)
=(x-1)[1-(x+1)]
=(x-1)(1-x-1)
=(x-1)(-x)
= -x²+x
Similar questions