SOLUTION: Solve using quadratic formula. My book says the answer is {{{1+- sqrt (29)/(4)}}}
4x^2-2x-7=0
x={{{(-2+- sqrt(-2^2-4*4*-7))/(2*4)}}}
x={{{2+-sqrt(4+112)/(8)}}}
x={{{2+-sqrt(116
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Question 259971: Solve using quadratic formula. My book says the answer is
4x^2-2x-7=0
x=
x=
x=
I need help at this point. Thank you
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Solve using quadratic formula. My book says the answer is
4x^2-2x-7=0
x=
x=
x=
Note that we can factor to reveal a perfect square inside the radical
x=
extract the perfect square
x=
You can cancel both 2's into the 8
x=
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