Question

factorise 4x^2-9y^2

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Answer 1

Answer:

$4 {x}^{2} - 9 {y}^{2} \\ \\ = ( {2x})^{2} - ( 3{y})^{2} \\ \\ = (2x + 3y)(2x - 3y) \\ \\ formula \: used \\ \\ {a}^{2} - {b}^{2} \\ \\ = (a + b)(a - b)$

hope it helps uH :)