Asked by Ed

Twice the square of a positive number increased by three times the number is 14. Find the number.

10 years ago

Answered by Reiny

I answered this

http://www.jiskha.com/display.cgi?id=1431486984

10 years ago

Answered by Fitra

2x^2+3x =14
2x^2+3x-14=0
(2x+7)(x-2)=0 (factorize it)
x= -7/2 or x=2 (take the positive number)

7 years ago

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