The value of (2x + 3y) (2x – 3y) is – InterviewSolution

1.

The value of (2x + 3y) (2x – 3y) is

Answer»

$4 {x}^{2} - 9 {y}^{2}$

Step-by-step EXPLANATION:

$(a + b)(a - b) = ( {a}^{2} - {b}^{2} ) \\ taking \: a = 2x \: and \: b = 3y \\ we \: get \: 4 {x}^{2} - 9 {y}^{2}$

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