Question

n2 + 2n-636 factorise by prime factorisation ​

Answer 1

Answer:

ANSWER

4n

2

+5n−636=0

4n

2

+53n−48n−636=0

n(4n+53)−12(4n+53)=0

(n−12)(4n+53)=0

n=12 or n=−

4

53