lidu24 lidu24
  • 03-04-2020
  • Mathematics
contestada

5x2 - 4x – 9 = 0
Master Product:
try

Respuesta :

surjithayer10 surjithayer10
  • 03-04-2020

Answer:

Step-by-step explanation:

5×-9=-45

-9+5=-4

5x²-4x-9=0

5x²-9x+5x-9=0

x(5x-9)+1(5x-9)=0

(5x-9)(x+1)=0

x=-1,9/5

Answer Link

Otras preguntas

What were the major causes of WWII? Please include at least 4 answers.
What is the least common denominator for 5/6 and 3/8. 3/4 and 6/7
how do you write 4540 million in standard form?
how were north american colonies all similar in the 1700s?
how were north american colonies all similar in the 1700s?
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.
How do you?...Multiply out and simplify 10(2x-1)-20x?
in the number 13,407.036 there are two 3's. Explain how the values of the 3's are related.