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
Algebra.Com
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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