4x^2 81

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

Question

4 x^{2} - 81

Factor the expression

(2 x - 9) (2 x + 9)

Show Solution

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

Alternative Form

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

Show Solution