Question

(3x+2y)^2-(2x-3y)^2 factorise​

Answer 1

Step-by-step explanation:

(3x+2y)²-(2x-3y)²

(a+b)²=a²+b²+2ab

(a-b)=a²+b²-2ab

{(3x)²+(2y)²+2(3x)(2y)}-{(2x)²+(3y)²-2(2x)(3y)}

(9x²+4y²+12xy)-(4x²+9y²-12xy)

9x²+4y²+12xy-4x²-9y²+12xy

5x²-5y²+24xy