x^2+8×+9=0 quadrati equation by complete square method
Answers
Answered by
3
Answer :
Now,
x^2 + 8x + 9 = 0
=> x^2 + (2 × x × 4) + 4^2 = 4^2 - 9
=> (x + 4)^2 = 16 - 9
=> (x + 4)^2 = 7
=> x + 4 = ± √7
Therefore, the required solution be
x = - 4 + √7, x = - 4 - √7
#MarkAsBrainliest
Now,
x^2 + 8x + 9 = 0
=> x^2 + (2 × x × 4) + 4^2 = 4^2 - 9
=> (x + 4)^2 = 16 - 9
=> (x + 4)^2 = 7
=> x + 4 = ± √7
Therefore, the required solution be
x = - 4 + √7, x = - 4 - √7
#MarkAsBrainliest
Similar questions