mandas2002
mandas2002
20-04-2016
Mathematics
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if -7 +3x=-25, what is the value of x^2-6x+9
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Bear01
Bear01
20-04-2016
Add seven to both sides of the equal sign. Now you have 3x= -18 Then divide by three on each side. Now you have x= -6 Then plug it in. -6^2-6(-6)+9 The answer to that is 9
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Аноним
Аноним
20-04-2016
It's so much better when there's a pic. :D
Work is attached.
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