N^2-16n-55=0 please solve by formula [ no factorisation ]
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Answer:
8+√119 and 8-√119
Step-by-step explanation:
roots = (-b+-(√(b^2-4ac))/2a
= (-(-16))+(√(256-4*(1)*(-55))/(2*1)
= (16+√(256+220))/2
= (16+√476)/2
=(16+2√119)/2
= 8+√119 and another root = 8-√119
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