SOLUTION: Use the quadratic formula to solve the equation. Give exact answers
x^2+2x=8
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Question 734664: Use the quadratic formula to solve the equation. Give exact answers
x^2+2x=8
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
x^2+4x-8
compare with ax^2+bx+c
a=1, b=2,c=-8
b^2-4ac= 4 + 32
b^2-4ac= 36
x1=( -2 + 6 )/ 2
x1= 2.00
x2=( -2 -6 ) / 2
x2= -4.00
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