Question

(2x - 3y) ^2


please ans meeeee ​

Answer 1

  (2x - 3y)²

= (2x)² - (2 * 2x * 3y) + (3y)²

= 4x² - 12xy + 9y²

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Answer 2

Explanation:

(2x+3y)

2

=(2x)

2

+2(2x)(3y)+(3y)

2

=4x

2

+12xy+9y

2

(2x+3y)

2

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

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

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

=4x

2

+6xy+6yx+9y

2

[∵xy=yx]

(2x+3y)

2

=4x

2

+12xy+9y

2