Question 246960
 use the quadratic formula to solve:
x^2+4x=5 
Rearrange:
x^2 + 4x -5 = 0
---- 
x=[-4+-radical(4^2-4*1*-5)]/(2*1)
x = [-4+-radical(16+20)]/2
x = [-4+-radical(36)]/2
x = [-4 +- 6]/2
x = [-10/2] or x = [2/2]
x = -5 or x = 1
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Cheers,
Stan H.