SOLUTION: solve equation using quadratic formula {{{x^2-5x+7=5}}}

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Question 135292This question is from textbook beginning algebra
: solve equation using quadratic formula
x%5E2-5x%2B7=5This question is from textbook beginning algebra

Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-5x+7=5
x^2-5x+7-5=0
x^2-5x+2=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
x=(5+-sqrt[-5^2-4*1*2])/2*1
x=(5+-sqrt[25-8])/2
x=(5+-sqrt17)/2
x=(5+-4.123)/2
x=(5+4.123)/2
x=9.123/2
x=4.56 answer.
x=(5-4.123)/2
x=.877/2
x=.4385 answer.