Question

9x²-3x²-9 factorise by s splitting middle term

Answer 1

9x^2-3x-9

9x^2-3x-99x^2-27x+3x-9

9x^2-3x-99x^2-27x+3x-99x(x-3)+3(x-3)

9x^2-3x-99x^2-27x+3x-99x(x-3)+3(x-3)(9x+3)(x-3)

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