find the two numbers whose sum is 27 and product is 18
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let the two numbers be a and b
a+b = 27
a×b = 18
from 1st equation
a = 27-b
putting this value a in equation 2
a×b = 18
(27-b)×b = 18
27b - b^2 = 18
b^2-27b+18 = 0
a+b = 27
a×b = 18
from 1st equation
a = 27-b
putting this value a in equation 2
a×b = 18
(27-b)×b = 18
27b - b^2 = 18
b^2-27b+18 = 0
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