Move to the left side of the equation by subtracting it from both sides.

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Factor out of .

Replace the left side with the factored expression.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Add to both sides of the equation.

Add to both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Cancel the common factor of and .

Factor out of .

Cancel the common factors.

Raise to the power of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Divide by .

Solve for t 2tl-4l^2=4a