Question

$100x {}^{2} - 20 x + 1 = 0$
​

Answer 1

Answer:

${100x}^{2} - 20x + 1 = 0$

${100x}^{2} - 10x - 10x + 1 = 0$

$10x(10x - 1) - 1(10x - 1) = 0$

$(10x - 1)(10x - 1) = 0$

${(10x - 1)}^{2} = 0$

$10x - 1 = 0$

$10x = 1$

$x = \frac{1}{10}$