Question

2x^2 +5x-12=0 solve by completing square

Answer 1

Answer:

2x²+5x-12=0

2x²+5x=12

x²+(5/2)x=6

x²+2*(5/4)x+(25/16)=6+(25/16)

(x+(5/4))²=121/16

x=±(11/4)-(5/4)

x=6/4 or -16/4

x=3/2 or -4