How do you factor #(x-1)^2 - 4#?
2 Answers
May 12, 2018
Explanation:
Factor out:
Factor:
May 12, 2018
Explanation:
Expression
To factorise the expression we could first expand the first term. However, in this case, notice that the expression is the difference of two squares.
Expression
Remember the common identity:
Thus, Expression