SOLUTION: (x+5)(x+3)=3 solve by using quadratic formula

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Question 483199: (x+5)(x+3)=3 solve by using quadratic formula
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
(x+5)(x+3)=3
x^2+3x+5x+8=3
x^2+8x+8=3
x^2+8x+5
a= 1 ,b= 8 ,c= 5

b^2-4ac= 64 + -20
b^2-4ac= 44
x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29
x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29
x1=%28-12%2B21%29%2F%282%29
x1=( -8 + 6.63 )/ 2
x1= -0.68
x2=( -8 -6.63 ) / 2
x2= -7.32