Answers

2014-07-02T10:41:26+08:00
X=5, x=7

solution:
first find the factor pairs of 35 and the sum of factor pair (-12)
now we got (-5,-7)
use the factor pair
x^2-12x+35=0
(factor)
(x-5)(x-7)=0

x-5=0
x-5 +5=0+5
x=5

x-7=0
x-7+7=0+7
x=7
 :))

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