Math, asked by kartikeyrungta9, 10 hours ago

Express (x^2-4x+9)(x^2+4x-9) as a difference of two square​

Answers

Answered by BRAINITY
1

Answer:

x2-4x+9*x2+4x-9

x-2x+9*x6+4-5x

-1x+9x5x

-1x+14x

13x

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