If you are using square roots, the simplest way of solving:
ax2 + bx + c = 0
is x = [-b ± sqrt(b2-4ac)]/(2a)
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By using the quadratic equation formula
By using the quadratic equation formula or by completing the square
2x2-10+7 = 0 Solving the quadratic equation using the quadratic formula will give you two solutions and they are: x = (5 - the square root of 11)/2 or x = (5 + the square root of 11)/2
There are different methods of using quadratic functions depending on the equation.
Using the quadratic equation formula:- x = 3.795831523 or x = -5.795831523