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

Which of the following are characteristics of ionic compounds?

30PTS PLEASE I NEED HELP Factor completely: 64y^3 -729z^3

ASAP- discovery of a series of fossils of human-like skulls, all slightly different from each other and from us, dating from throughout the past 4 million years

Which two ratios represent quantities that are proportional? A 25/28 and 5/7 B 22/33 and 14/21 C 16/13 and 13/16 D 48/60 and 35/42

confirms that you agree to the terms of the 5. Signing a(n) application for employment.

The point slope formula (if possible) to write an equation of the line given the following information…we

A general wishes to draw up his 7500 soldiers in the form of a square. After arranging, he found out that some of them are left out. How many soldiers were left

help me out please! everyday !

What was the main aim of the Northwest Ordinance of 1787?

I need help anyone please help me?????