SOLUTION: solve the following quadratic equation by using formula 2x² + 8x +7 =0 ? can I also be shown a checking method to show that my answer is correct

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Question 1029450: solve the following quadratic equation by using formula
2x² + 8x +7 =0 ?
can I also be shown a checking method to show that my answer is correct

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
2x² + 8x +7 = 0
The quadratic formula

In this equation a=2; b=8; c=7



Two solutions
x =
x = -1.2929
and
x =
x = -2.707
:
:
You can check your solutions in the original equation, replacing x and see if the results are 0 or very close to it since we have decimal solutions

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