obedullakhan obedullakhan

03-05-2020
Mathematics

contestada

Find the value of the following expressions when x= – 2 5X²+ 5x – 21

Respuesta :

fardenk fardenk

03-05-2020

Answer:

9

Step-by-step explanation:

5(4)+5(2)-21

=20+10-21

=9

Answer Link

Otras preguntas

how do you convert mol dm-3 to gdm-3 and vice versa

what is the definition of sin

An infant is 32.625 inches (in) long. Write this as a common fraction.

How many people could read in France in 2000, 2001, 2002, 2013?

If 5x^2 - 15x = 0 and x ≠ 0, find the value of x. (A) -10 (B) -3 (C) 10 (D) 5 (E) 3

A rectangular prism has a volume of 105 m3. This prism is enlarged using a scale factor of 4. What is the volume of the enlarged prism?Please Explain...

pls help me with this 11-3 and 11-4 u press the link below

What Is Ethane? Can you help me?

At Jones College, there are a total of 100 students. If 30 of the students have cars on campus, and 50 have bicycles, and 20 have both cars and bicycles, then h

What restriction may be necessary to the domain and range of linear equations?