Question

( 2x - 3y )² is equal to what​

Answer 1

Answer:

$4x^{2} + 9y^{2} - 12xy$

Step-by-step explanation:

Use formula $(a-b)^{2} = a^{2} + b^{2} - 2ab$

( 2x - 3y )²

$4x^{2} + 9y^{2} - 2*2x*3y\\4x^{2} + 9y^{2} - 12xy$

Answer 2

Answer:

$4{x}^{2} - 12xy + 9 {y}^{2}$

Step-by-step explanation:

We know that:-

${(a - b)}^{2} = {a}^{2} - 2ab + {b}^{2}$

and a=2x and b=3y

putting values we get:-

(2x)^2-2*2x*3y+(3y)^2

4x^2-12xy+9y^2

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