Question

find the roots of the following quadratic equation by the method of completing the square 2 X square + X - 4 is equal to zero ​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

solved

Step-by-step explanation:

2 X square + X - 4 is equal to zero ​

2x² + X - 4 = 0

x² + X/2 - 2 = 0

x² + X/2 = 2  

x² + X/2 + 1/16 = 2  +1/16 = 33/16

( x + 1/4)² = 33/16

( x + 1/4) = ±√33/4

x  = - 1/4 ±√33/4