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2x^2=5x

 Oct 19, 2015
 #1
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2x^2=5x

 

Solve for x over the real numbers:
2 x^2 = 5 x

Subtract 5 x from both sides:
2 x^2-5 x = 0

Factor x from the left hand side:
x (2 x-5) = 0

Split into two equations:
x = 0 or 2 x-5 = 0

Add 5 to both sides:
x = 0 or 2 x = 5

Divide both sides by 2:
Answer: | 
| x = 0 or x = 5/2

 Oct 19, 2015

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