Sagot :
Answer:
1. 2x² - 3x - 7 = 0; a=2; b=-3; c=-7
2. 2x² - 6x + 5 = 0; a=2; b=-6; c=5
3. 2x² - 6x - 15 = 0; a=2; b=-6; c=-15
4. x² + 7x + 12 = 0; a=1; b=7; c=12
5. x² - 8x +24 = 0; a=1; b=-8; c=24
Answer:
1. 2x² - 3x - 7 = 0; a=2; b=-3; c=-7
2. 2x² - 6x + 5 = 0; a=2; b=-6; c=5
3. 2x² - 6x - 15 = 0; a=2; b=-6; c=-15
4. x² + 7x + 12 = 0; a=1; b=7; c=12
5. x² - 8x +24 = 0; a=1; b=-8; c=24