Factorise the following expression:
$p^{2} - 10 p + 25 = 0$

5, 5

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4, 6

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- 5, - 5

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- 4, - 6

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Solution

The correct option is B $5, 5$
$p^{2} - 10 p + 25 = 0$

$p^{2} - 5 p - 5 p + 25 = 0$

$p (p - 5) - 5 (p - 5) = 0$

$(p - 5) (p - 5) = 0$

Therefore, $p = 5, 5$ , means the expression has a single root $5$ of degree $2$

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Similar questions

Question 1(ii)
Factorise the following expressions
$p^{2} - 10 p + 25$

p^{2} - 10 p + 25

Question 1(ii)
Factorise the following expressions
$p^{2} - 10 p + 25$

p^{2} - 10 p + 25 = 0

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