Question

25a^2 - 10a + 1 , when a = 5​

Answer 1

Step-by-step explanation:

$25a^2 - 10a + 1 , when \: a = 5$

$25 {(5)}^{2} - 10(5) + 1$

$25 \times 25 + 50 + 1$

$625 + 51$

$676$