How do you simplify #(x^2-3x-40)/(5x)div (x+5)#?
1 Answer
Aug 11, 2017
Explanation:
#"factorise the numerator of the fraction"#
#"the factors of - 40 which sum to - 3 are - 8 and + 5"#
#"change division to multiplication by inverting the divisor"#
#=((x-8)cancel((x+5)))/(5x)xx1/cancel((x+5))#
#=(x-8)/(5x)to(x!=0)#
