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50x2+23x-25=

 Dec 1, 2015
 #1
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The answer is 

 Dec 1, 2015
 #2
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Solve for x:
50 x^2+23 x-25 = 0

Divide both sides by 50:
x^2+(23 x)/50-1/2 = 0

Add 1/2 to both sides:
x^2+(23 x)/50 = 1/2

Add 529/10000 to both sides:
x^2+(23 x)/50+529/10000 = 5529/10000

Write the left hand side as a square:
(x+23/100)^2 = 5529/10000

Take the square root of both sides:
x+23/100 = sqrt(5529)/100 or x+23/100 = -sqrt(5529)/100

Subtract 23/100 from both sides:
x = sqrt(5529)/100-23/100 or x+23/100 = -sqrt(5529)/100

Subtract 23/100 from both sides:
Answer: | 
| x = sqrt(5529)/100-23/100                    or x = -23/100-sqrt(5529)/100

 Dec 1, 2015

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