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Kobotan [32]
3 years ago
14

Hey yall so im taking a test and imm very confused on hwo to find the letter n for the equation

Mathematics
1 answer:
kotegsom [21]3 years ago
8 0

Answer:

n = -7,6

Step-by-step explanation:

n(n+1)+3=45

distributive property: a(b+c) = ab+ac

n²+n+3 = 45

n²+n -42 = 0

factor now

(n+7)(n-6) = 0

n = -7,6

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