LovelyPSMC
LovelyPSMC LovelyPSMC
  • 03-05-2021
  • Mathematics
contestada

Solve the equation:
[tex]2 {x}^{2} + 7x - 3 = 0[/tex]
​

Respuesta :

Hamed313
Hamed313 Hamed313
  • 04-05-2021

Answer:

[tex]delta = {7}^{2} - 4 \times 2 \times ( - 3) \\ = 49 + 24 = 73 \\ x 1= \frac{ - 7 + \sqrt{73} }{4} \\ x 2= \frac{ - 7 - \sqrt{73} }{4} [/tex]

Answer Link

Otras preguntas

If a fair quarter is flipped 3 times . What is the probability of getting exactly three heads? round to the neast thoudsands.
how did the experience of the early colonists shape Americas political and social ideals?
System of equations x-y-2z=4, -x+2y+z=1, x+y-3z=11. Solve by elimination
A shop is giving 20% discount in a sale. A shirt in the shop normally costs $60. How much does it cost in the sale?
Venn Diagram: In a school all of the 120 pupils must choose at least one of Archery, Badminton or Cycling. 63 pupils choose archery 62 pupils choose badminton
Trent and Chris are musicians, and they recently played a concert for 20,000 fans. The rectangular venue measured 87 yards by 57 yards. What was the approximate
Given: L is the midpoint of KM M is the midpoint of LN Prove: KL = MN
why did some people treat native americans so badly?
How many counting numbers are between 30 and 65, not including 30 and 65?
A person walks 25 m west and then 45 m at the angle of 60 degrees north of east what is the magnitude of the total displacement?