Mathematics, 05.11.2020 15:10 ikahypp

1. x² = 8x + 4? 2. x² + 4 = -12x?
3. x² + 3x - 8 = 0?
4. 4x² - 4x + 11 = 0?
5. -2x² + 4x + 1 = 0?
6. 4x² = -7x + 15?
7. 3x² + 1 = 5x?
please² help me

Answers: 3

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1. x² = 8x + 4? 2. x² + 4 = -12x?
3. x² + 3x - 8 = 0?
4. 4x² - 4x + 11 = 0?
5. -2x²...