Question

Expand (2x - 3y)square ​

Answer 1

Answer:

= $( 2x - 3y)^{2}$

  = a² + b² + 2ab

=  (2x )² - 2 * 2x * 3y + ( 3y )²

  = 4x² - 12xy + 9y²

Step-by-step explanation:

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Answer 2

Answer:

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

Step-by-step explanation:

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

                =4x^2 + 9y^2 - 12xy