Pure quadratic equation

Solve pure quadratic equation 7x2+4=0.

Correct answer:

x1 =  0.76
x2 =  -0.76

Step-by-step explanation:

7x2 +4 = 0 7x2 = 4 x2 = 4/7 = 0.5714 x1=0.5714=0.76
x2=0.5714=0.76

Our quadratic equation calculator calculates it.




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