How do you factor #\frac { 1} { 2} y ^ { 2} - \frac { 5} { 2} y - 18#?
1 Answer
May 14, 2018
Explanation:
#"take out a "color(blue)"common factor "1/2#
#=1/2(y^2-5y-36)#
#"the factors of - 36 which sum to - 5 are - 9 and + 4"#
#=1/2(y-9)(y+4)#
