SOLUTION: Solve each equation for x. {{{x^2+4x+4=7}}} (Hint:Factor the left-hand side.) My answer was:x={{{2sqrt(7-2)}}},x={{{-2sqrt(7-2)}}}.Is this correct. Thanks.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve each equation for x. {{{x^2+4x+4=7}}} (Hint:Factor the left-hand side.) My answer was:x={{{2sqrt(7-2)}}},x={{{-2sqrt(7-2)}}}.Is this correct. Thanks.      Log On


   

Question 75010This question is from textbook Beginning Algebra
: Solve each equation for x.
x%5E2%2B4x%2B4=7
(Hint:Factor the left-hand side.)
My answer was:x=2sqrt%287-2%29,x=-2sqrt%287-2%29.Is this correct. Thanks. This question is from textbook Beginning Algebra

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
x^2+4x+4=7
x^2+4x+4-7=0
x^2+4x-3=0using the quadratic equation we get:
x=(-4+-sqrt[4^2-4*1*-3)]/2*1
x=(-4+-sqrt[16+12])/2
x=(-4+-sqrt28)/2
x=(-4+-5.2915)/2
x=(-4+5.2815)/s
x=1.2815/2
x=.64575 answer.
x=(-4-5.2915)/2
x=-9.2915/2
x=-4.64575 answer.