Question

(84)square – (76)square​

Answer 1

Question :

$\rightarrow \sf {{84}^{2}\:-\:{76}^{2}}$

Solution :

Here , we will use specific property to solve this .

★ Property → $\sf {a}^{2}\:-\:{b}^{2}\:=\:(a\:+\:b)(a\:-\:b)$

Here , a = 84 and b = 76

• Now , let us solve

→ $\sf {84}^{2}\:-\:{76}^{2}$

→ $\sf (84\:+\:76)(84\:-\:76)$

→ $\sf (160)(8)$

→ $\sf 1,280$

$\:\:\:\: \large \underline {\sf{Final\:Answer\:is\:1,280}}$

_________________________

Answer 2

$\bf \color{red}Question:$

$\huge \bf \color{navy} {84}^{2}- {76}^{2}= \: ?$

$\bf \color{darkred}Answer:$

$\huge \bf \pink{1280}$

$\bf \color{silver} {84}^{2}- {76}^{2}= \: 1280$

$\bf \color{teal}Explanation:$

$\bf \color{blue} {84}^{2} - {76}^{2}$

$\bf \color{blue} \: 7056 - 5776$

$\bf \purple {= > 1280}$