Algebra 2 ..
posted by Anonymous .
Solve by completing the square.
1. 2x^2=5x+12
2. 5x^2+10x7=0

x^2  (5/2)x = 6
x^2  (5/2) x + 25/16 = 96/16 + 25/16
(x5/4)^2 = 121/16
x5/4 = +/ 11/4
x = (1/4)( 5 +/ 11)
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