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Quadratic Formula

Solve the following equation for x by using the quadratic formula: (with and without decimal points)

5x^2 + 9x + 1 =0

Solution Preview

For an equation ax^2+bx+c=0, the quadratic formula is

x1=[-b+sqrt(D)]/(2a) or ...

Solution Summary

The quadratic formula is applied.

$2.19