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

How do you say I'm not rich in French

A student states that organisms that reproduce asexually are at a disadvantage in an unstable environment do you agree or disagree explain I dont know some one

From a class of girls and boys the probability that one student chosen at random to answer a question will be a girl is 1/3 . If four boys leave the class , the

Passage of the Twelfth Amendment was a direct result of the (A) controversy that arose when the election of 1824 was settled in the House of Representatives (B)

A barge travels twice as fast when it is empty as when it is full. If it travels 20 miles north with a cargo, spends 20 minutes unloading, and returns to its or

how is cytokinesis in a plant similar to cytokinesis in animal cells? how is it?

A barge travels twice as fast when it is empty as when it is full. If it travels 20 miles north with a cargo, spends 20 minutes unloading, and returns to its or

7 features of QBASIC

Calculate the molar mass FeCl3 Fe2(SO4)3 PbO PbO2 Pb3O4

The perimeter of a parallelogram is 72 inches, and 1 side measures 12 inches. What are the lengths, in inches, of the other 3 sides? A. 12, 12, 36 B. 12, 18, 18