Question

On simplification (2x+3y)² -(2x-3y)²​

Answer 1

Answer:

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Step-by-step explanation:

(2x+3y)²-(2x-3y)²=                here we use the formula a²-b²=(a+b)(a-b)

(2x+3y+2x-3y)(2x+3y-2x+3y)

(4x)(6y)=24xy

hope it helps

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Answer 2

Answer:

16x4+72x2y2 +81y4- 144x2y