katehoward1 katehoward1

01-02-2016
Mathematics

contestada

If x=4, calculate the value of: x2 +2x

Respuesta :

taskmasters taskmasters

01-02-2016

If x = 4

x² + 2x = 24

Substitute x by its value

4² + 2(4)
16 + 8 = 24

Answer Link

01-02-2016

We simply need to plug in x = 4 into x² + 2x

So plugging in x = 4, we get:

4² + 2(4)

Simplifying it, we get:

16 + 2(4)
16 + 8
24

When x = 4, x² + 2x will equal 24.

Answer Link

Otras preguntas

Read the sentence. A two percent tax increase will cost the average American family over $1,800. What type of evidence is contained in the sentence? statistic p

How are the Endoplasmic Reticulum, the Golgi body, and ribosomes all relate to each other?

Suppose the moon were closer to Earth. How would the force of gravity between Earth and the moon be different?

how to figure out 168=-8x

What can federal money be used for

what degree? list from #1 the best Bachelor, Associates, Doctorate, Masters?

If a tire rotates through 250 degrees in 15 seconds, How many degrees does rotate in 45 seconds

Which item(s) are tax deductible for consumers who are buying or renting a home?

The sum of two consecutive integers is 57

270 is ninety percent of what number ?