Question

use suitable identity of expand the following​

Answer 1

(x-y) (x+y) = x²-y²

(a-5) (a+5)

a²-25

Answer 2

Answer:

$a^{2}$ - 25

Explanation:

(a-5) (a+5)

ID=> (a-b) (a+b) = $a^{2}$ - $b^{2}$

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

$a^{2}$ - 25

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