Question

Factorised 4 x square minus y square divided by 9

Answer 1

this is the answer it happens by the formula of a^2-b^2=(a-b)(a+b)

Answer 2

4x²-y²/9

(2x-y/3) ²

(a-b) ²=a²-2ab-b²

2x²-2(2x)(y/3)+(y/3)²

=4x²-4xy/3+y²/9

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