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factorise and solve 3x^2 +5x=0

 Dec 2, 2015
 #1
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+5

Solve for x:
3 x^2+5 x = 0

Factor x from the left hand side:
x (3 x+5) = 0

Split into two equations:
x = 0 or 3 x+5 = 0

Subtract 5 from both sides:
x = 0 or 3 x = -5

Divide both sides by 3:
Answer: | 
| x = 0              or x = -5/3

 Dec 2, 2015

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