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solve this quadratic equation.
x 2 + 5x + 3 = 0

Step-by-step explanation:

The given equation is:

To find the solution of any quadratic equation we use:

Where:

is the coefficient of the quadratic term.

is the coefficient of the linear term.

is the independent term.

So, according to this, each variables is equal to:

Now, we substitute these values in the formula:

So, one solution has the positive sign, and the other the negative sign. Therefore the solutions are:

As you can see, the solution was founded just by using the formula, identifying the values of a, b and c. Then, solving the formula we all values replaced.

i think it is 18

step-by-step explanation: