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Ray Of Light [21]
3 years ago
5

(10x-20) (6x+8) what is x?

Mathematics
1 answer:
Lilit [14]3 years ago
7 0
X= 2 and x= -8/6 if you make it = 0 
(10x-20)(6x+8)=0
10x-20=0
10x=20
x=2
6x+8=0
6x=-8
x=-8/6
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Now let us find the 6th interior angle,  

We know that, sum of interior angles of hexagon = 720 degrees

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