2x^2+x-4=0 by formulamethod
Answers
Answered by
1
2x^2+x-4 = 0
2x^2+x = 4x^2 + x/2 + 1/4
2+1/4 (x + 1/2)^2 = 9/4 (x + 1/2)
± 3/2 x = 3/2 - 1/2 = 1
or x = 3/2 + 1/2 = 2
Hence, x = 1 or 2.
2x^2+x = 4x^2 + x/2 + 1/4
2+1/4 (x + 1/2)^2 = 9/4 (x + 1/2)
± 3/2 x = 3/2 - 1/2 = 1
or x = 3/2 + 1/2 = 2
Hence, x = 1 or 2.
divyansh101dabral:
this is splitting middle term method not formula method
kindly edit
Similar questions
Chemistry,
6 months ago