Question

find the square of (2×+3y)
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Answer 1

Answer:

(2x+3y)^2

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

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

Answer 2

Answer:

(2x + 3y)

=(2x + 3y)²

=(2x)² + (3y)² + (2)(2x)(3y)

=4x² + 9y² + 12xy

So the right answer is

4x² + 9y² + 12xy