Question

(6) (3x + 4y) (3x – 4y)​

Answer 1

Step-by-step explanation:

we know that

(a+b)(a-b)=a2-b2

$\\ \qquad\quad\sf{:}\longrightarrow (3x+4y)(3x-4y)$

$\\ \qquad\quad\sf{:}\longrightarrow 3x^2-4y^2$

$\\ \qquad\quad\sf{:}\longrightarrow 9x^2-16y^2$