# Solve Using the Quadratic Formula four x to the power of two minus eight equals zero

Apply the quadratic formula to Find solution to the equation.

Substitute the values , , and into the quadratic formula and Calculate .

Clarify the numerator.

Raising to any positive power yields .

First, multiply by .

Multiply by .

Sum and .

Should be rewritten as .

Factor out of .

Rewrite as .

Withdraw terms from under the radical.

Initially, multiply by .

Simplify .

The result can be displayed in a variety of ways.

Exact Form:

Decimal Form:

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