Question

Jika f(x)=x²-4x,tentukan f(x-3)

Answer 1

F(x)=x²-4x
=>>f(x-3)=(x-3)²-4(x-3)
=>>f(x-3)=(x-3)²-4x+12
=>>f(x-3)=x²-6x+9-4x+12
=>>f(x-3)=(x-7)(x-3)

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