Solve 4x^2 = 81 - ScanMath

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Type your math problem... 4x^2 = 81

Question

Solve the quadratic equation

Solve using square roots

Solve by factoring

Solve using the quadratic formula

x_{1} = - \frac{9}{2}, x_{2} = \frac{9}{2}

Alternative Form

x_{1} = - 4.5, x_{2} = 4.5

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