How do you simplify (2a-2)/(a^2-3a-28)?
1 Answer
Jul 24, 2018
Explanation:
"Simplify by factorising numerator/denominator"
2a-2=2(a-1)
"The factors of "-28" which sum to "-3
"are "-7" and "+4
a^2-3a-28=(a-7)(a+4)
(2a-2)/(a^2-3a-28)=(2(a-1))/((a-7)(a+4))