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x^2 - 18x+80=0

 

X=      ,  X=    

can anyone help me solve for both X

 Oct 5, 2015

Best Answer 

 #2
avatar+12531 
+5

Hallo guest

laugh

 Oct 5, 2015
 #1
avatar
+5

 

 

Solve for x:
x^2-18 x+80 = 0

The left hand side factors into a product with two terms:
(x-10) (x-8) = 0

Split into two equations:
x-10 = 0 or x-8 = 0

Add 10 to both sides:
x = 10 or x-8 = 0

Add 8 to both sides:
Answer: | 
| x = 10 or x = 8

 Oct 5, 2015
 #2
avatar+12531 
+5
Best Answer

Hallo guest

laugh

Omi67 Oct 5, 2015

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