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14-01-2017
Mathematics

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solve the equation (y x y or y squared) y^2 –9y + 14 = 0

solve the equation y x y or y squared y2 9y 14 0 class=

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14-01-2017

what 2 numbers multiply to 14 and add to -9?
-7 and -2
(y-7)(y-2)=0
set to zero

y-7=0
y=7

y-2=0
y=2

y=2 or 7

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