100x^2 81

Type your math problem... 100x^2 -81

Question

100 x^{2} - 81

Factor the expression

(10 x - 9) (10 x + 9)

Show Solution

x_{1} = - \frac{9}{10}, x_{2} = \frac{9}{10}

Alternative Form

x_{1} = - 0.9, x_{2} = 0.9

Show Solution