Solve x 2 4x 5 0 by completing the square
Asked by admin @ in Math viewed by 322 People
Solve by method of completing square x^2+4x-5=0
Answered by admin @
X^2+4x-5=0
x^2+4x=5
x^2+4x+4=5+4
(x+2)^2=3^2
now,
x+2=+3,-3
x=5,-1
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