Question

Find the value of n in the equation (n + 2)(n - 5) = 44.

Answer 1

(n+2)(n-5) =44

n²+2n-5n-10=44

n²-3n -10-44=0

n²-3n-54=0

n²-9n+6n-54=0

n(n-9)+6(n-9)=0

(n+6)(n-9)=0

n=-6,9