Question

how to solve n^2+n-552=0​

Answer 1

${n}^{2} + n - 552 = 0\\ {n}^{2} + 24n - 23n - 552 = 0\\ n(n + 24) - 23(n + 24) = 0\\ (n + 24)(n - 23) = 0 \\ n = - 24 \: or \: n = 23$

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Answer 2

Answer:

(n+24)(n-23)

Step-by-step explanation:

n^2+n-552=0

n^2+n(24-23)-552=0

n^2+24n-23n-552=0

n(n+24)-23(n+24)=0

(n+24)(n-23)=0

n+24=0

n= -24

n-23=0

n= 23