Question

Expand :- (13 + x) (13 - x)​

Answer 1

Answer:

please mark me as branlesrt so 13+x appon 13-x x = 1

Answer 2

$\huge{\boxed{\mathbb{\red{ANSWER}}}}$

$\sf\red{To\:find}$

$\sf\red{(13+x)(13-x)}$

$\sf\blue{By\:using\:property:}$

$\sf\blue{(a+b)(a-b)=a^2-b^2}$

$\sf{=> (13)^2-(x)^2}$

$\sf{=> 169 -x^2}$

$\sf{=>- x^2+169}$

$\sf\boxed{x^2-169}$