Simplify by using formula :(2x + 3y) (2x - 3y) - Vidyadip

Question

Simplify by using formula $:(2x + 3y) (2x - 3y)$

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Answer

$(2x + 3y) (2x - 3y)$
$= (2x)^2 - (3y)^2$
$= 4x^2 - 9y^2$
$($Using identity : $(a + b) (a - b) = a^2 - b^2).$

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