Question

Evaluate it : (3x - 4y)²​

Answer 1

Answer:

$(3x - 4y) {}^{2} \\ 3x + 4 {y}^{2} \\ {xy}^{2} = 3 - 4 \\ {xy}^{2} = - 1$

I hope it help you........

Answer 2

Answer:

(3x-4y)²

(3x)²-2.(3x)4y+(4y)²

9x²-24xy+16y²

Another way to solve :

(3x-4y)(3x-4y)

9x²-12xy-12xy+16y²

9x²-24xy+16y²

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