Question

(a+b)^{2}-9c^{2}. please solve this......​

Answer 1

$\huge\bf\red{QUESTION}$

$(a+b)^{2}-9c^{2}$

$\huge\bf\red{SOLUTION}$

$(a+b)^{2}-9c^{2} \\(a+b)^{2}-(3c)^{2} \\ (a+b+3c) (a+b -3c)$

Thanks

Answer 2

Answer:

(a+b)^[2]- 9c^[2]

= (a+b)^2 - (3c)^2

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