2 years ago

Solve for n. n^2–15n–16=0

Mathematics

1 answer:

Fofino [41]2 years ago

5 0

N = {15 +- root of ( 225 + 64) } / 2
= {15 +- root of 289 } / 24
= 15 + 17 } / 2 or { 15 -17 } /2
= 16 or -1

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