Mathematics, 17.11.2020 08:30 drivinghydra

F(x) = -7x2 + 9x - 15 and g(x) = -12x2 – 15x + 7 g(x) -f(x)

please explain i dont understand.

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F(x) = -7x2 + 9x - 15 and g(x) = -12x2 – 15x + 7 g(x) -f(x)

please explain i dont unders...

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