2x²+3x+5=0 9x²-12x+4=0 Dengan rumus abc Tolong bantu yaaaa

2x² + 3x + 5 = 0

X1 = (-b + √(b² - 4ac))/2a
= (-3 + √(3² - 4.2.5))/2.2
= (-3 + √-31)/4

X2 = = (-3 - √-31)/4


9x² - 12x + 4

X = (-b + √(b² - 4ac))/2a
= (12 + √((-12)² - 4.9.4))/2.9
= (12)/18
= 2/3