Bobosharif S. answered • 03/28/18
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|x 3 -1|
|2 1 -2|=10
|4 1 x|
|2 1 -2|=10
|4 1 x|
x2-2-24+4-6x+2x=10
x2-4x-32=0
(x+4)(x-8)=0
x1=-4
x2=8
Zakia B.
asked • 03/28/18solve for the variable?
|x 3 -1|
|2 1 -2|=10
|4 1 x|
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