Question

5n² +18n -8=0
Factors: (n+18)(n-2)
Solution: 18 and n=2

Answer 1

Explanation:

5n²+18n-8=0

5n²+20n-2n-8=0

5n(n+4)-2(n+4)=0

(n+4)(5n-2)=0

n=- 4,2/5