Airian
Airian
16-02-2020
Mathematics
contestada
Subtract – 9x – 7 from 8x² – 5x + 9.
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KillerBlade
KillerBlade
16-02-2020
8x² – 5x + 9 - (-9x-7)
=8x² – 5x + 9 + 9x + 7
=8x² + 4x +16
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