noname64786 noname64786

10-07-2021
Mathematics

contestada

Show that x = -2 is a solution of 3x² + 13x + 14 = 0

Respuesta :

abubekerkedir420 abubekerkedir420

10-07-2021

Answer:

x= -2 is correct answer

Step-by-step explanation:

3(-2×-2)+13(-2)+14=0

3(4)+13(-2)+14=0

12+(-26)+14=0

12-26+14=0

12+14-26=0

26-26=0

0=0

Answer Link

Otras preguntas

What are electric motors?

which activity do you do at the travel agency ? pasar por segurdad dar la tarjeta de embarque comprar el boleto ?!

Given that 1 joule = 1 newton × 1 meter and 1 volt = 1 joule per coulomb, show that the units newtons/coulomb and volts/meter are equivalent.

plumber and his assistant work together to replace the pipes in an old house . the plumber charges $45 per hour for his own work and $25 for his assistant's la

What are electric motors?

How can I solve this problem? I dont want the answer I just need the steps to solving it finding the proportion??1.5/6=10/p

You have a rectangular plot measuring 16 ft by 35 ft in a community garden. You want to grow tomato plants that each need 8 square ft. Write and equation that m

You have a rectangular plot measuring 16 ft by 35 ft in a community garden. You want to grow tomato plants that each need 8 square ft. Write and equation that m

which activity do you do at the travel agency ? pasar por segurdad dar la tarjeta de embarque comprar el boleto ?!

What effect assembly line and monopoly have on the price of goods