Question

(3a-b)power2-9cpower2
$(3a - b) {}^{2} - 9c {}^{2}$

Answer 1

Hi dear !!!

( 3a - b )² - 9c²

(3a -b )² -(3c)²

a²-b² = (a + b ) ( a - b )

(3a-b+3c ) ( 3a -b -3c )


hope it help you dear !!!

thanks !!

$rj$