Problema Solution
find integers with product -39 and sum of -10
Answer provided by our tutors
X+Y = 10
XY = -39
X(10-X) = -39
10X-X2 = -39
X2-10X-39 = 0
X2-13X+3X-39 = 0
X(X-13)+3(X-13) = 0
X = 13,-3
Y = -3,13
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