Posted by **David** on Wednesday, December 12, 2012 at 2:38pm.

Solve by completing the square : 2x^2= 9x+5

- Math help NOW!!!!! Plz -
**Steve**, Wednesday, December 12, 2012 at 2:42pm
2x^2= 9x+5

2x^2 - 9x = 5

x^2 - 9/2 x = 5/2

x^2 - 9/2 x + 81/16 = 5/2 + 81/16

(x-9/4)^2 = 121/16

x-9/4 = ±11/4

x = 9/4 ± 11/4

x = -1/2 , 5

- Math help NOW!!!!! Plz -
**Kem**, Sunday, October 16, 2016 at 11:50pm
How to solve by completely the square.

X^2+18x+10=0

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