Question

x square + 3x - 4 by completing square method plz​

Answer 1

Answer:

check the attachment for complete answer...

hope this helps you...

Answer 2

answer :-

as per your question ,

explanation :-

take half of the co - efficient of x

so,

x^2 + 3x + 9/4 - 9/4 - 4 = 0

then,

( x + 3/ 2 )^ 2 = 25 / 4. ( both have square )

so,

x +3/2 = 5/2.

then ,

x = 1