Question

factorisation the above following question?
if you will give correct I will mark you the brainliest​

Answer 1

(9x²-30x+25)-4y²

[9x²-x(15+15)+25]-4y²

(9x²-15x-15x+25)-4y²

[3x(3x-5)-5(3x-5)]-4y²

[(3x-5)(3x-5)]-4y²

(3x-5)²-(4y²)

(3x-5+4y)(3x-5-4y)