SOLUTION: Solve the equation by using the square root property . 4x^2 - 28(x)+49=5

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Question 181735This question is from textbook algebra 2
: Solve the equation by using the square root property .
4x^2 - 28(x)+49=5 This question is from textbook algebra 2

Answer by Alan3354(69443) About Me  (Show Source):
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Solve the equation by using the square root property .
4x^2 - 28(x)+49=5
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(2x-7)^2 = 5
Take sqrt of both sides
2x-7 = +-sqrt(5)
2x = 7 +-sqrt(5)
x = (7 +- sqrt(5))/2