Factorize 25 एक्स स्क्वायर माइनस 4�

1.	Factorize 25 एक्स स्क्वायर माइनस 4
Answer» $\huge\tt{\bold{\underline{\underline{Question᎓}}}}$ $\huge\bold{25 {x}^{2} - <klux>4</klux>}$ $\huge\tt{\bold{\underline{\underline{<klux>ANSWER</klux>᎓}}}}$ ┏━━━━━━━━━━━━━━━━━━━━━━━┓ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ✍️ $\bold{25 {x}^{2} - 4}$ =>we KNOW that 25 is the square of 5 & 4 is the square of 2 $= > {(5x)}^{2} - {(2)}^{2}$ Here,this identify is USED:- $\bold{\boxed{\red{{a}^{2} - {b}^{2} = (a + b)(a - b)}}}$ $= > {(5x)}^{2} - {(2)}^{2} = (5x + 2)(5x - 2)$ Therefore,answer is (5x+2)(5x-2) ┗━━━━━━━━━━━━━━━━━━━━━━━┛