What are the solutions of 2x2 + 3x= −8?




Answer:
Step-by-step explanation:
2x² + 3x= −8
2x²+ 3x+8 =0
Δ= b²- 4ac a=2 and b=3 and c=8
Δ= (3)²- 4(2)(8) = 9 - 64 = -55 =(√55 i)²
the answer is : (-3 +- i√55)/4