Question

find
by using identity (a-5)^2

​

Answer 1

Answer:

Use (a-b)^2= a^2-2ab+b^2

Then solve it.

Step-by-step explanation:

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Answer 2

$\huge\tt{\underline{ \underline{Answer :}}}$

$\tt {(a - 5)}^{2}$

$\boxed{ \tt{Identity \: : {(a - b)}^{2} = {a}^{2} - 2ab + {b}^{2} }}$

$\tt{ here \: \: : \: \: \: a = a \: \: \: \: \: \: \: \: b = 5}$

$\tt{ {(a - 5)}^{2} = {a}^{2} - 2(a)(5) + {(5)}^{2} }$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \tt{ = {a}^{2} - 10a + 25}$

$\\ \\ \large \underline{\underline{ \tt{ {(a - 5)}^{2} = {a}^{2} - 10a + 25}}}$

$\\ \\ \\ \tt{Hope \: \: this \: \: helps \: \: you \: !}$