Question

factorise 25 t square -10t+1

Answer 1

Step-by-step explanation:

${ 25t}^{2} - 10t + 1 = 0 \\ {25t}^{2} - 5t - 5t + 1 = 0 \\ 5t(5t - 1) - 1(5t - 1) = 0 \\ (5t - 1)(5t - 1) = 0 \\ t = \frac{1}{5}$