SOLUTION: Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work.
x^2 - 4x - 7 = 0
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Question 280924: Solve by applying the Quadratic Formula; all radicals should be simplified as far as possible. Show your work.
x^2 - 4x - 7 = 0
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
x^2 - 4x - 7 = 0
x=(4+-sqrt[-4^2-4*1*-7])/2*1
x=(4+-sqrt16+28])/2
x=(4+-sqrt44)/2
x=(4+-6.63325)/2
x=(4+6.63325)/2
x=10.63325)/2
x=5.317 ans.
x=(4-6.63325)/2
x=(-2.63325)/2
x=-1.317 ans.
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