katehoward1
katehoward1 katehoward1
  • 01-02-2016
  • Mathematics
contestada

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

Respuesta :

taskmasters
taskmasters taskmasters
  • 01-02-2016
If x = 4

x² + 2x = 24

Substitute x by its value

4² + 2(4) 
16 + 8 = 24



Answer Link
TSO
TSO TSO
  • 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

how do you convert units within a measurement system
containing the points (-1,2) and (5,-4)
Which jobs use electromagnets?
Which is more 3 tons or 6001 pounds
3. Irvin cut a 47 in. wire into two pieces. The longer piece is 13 in. longer than the shorter piece. What is the length of the longer piece? _________ in.Pleas
if an equation does not need the distributive property, what should you look for next?
what was unknown in europe before european explorers visited the americans
Why were the Palmer Raids seen as a violation against civil liberties?
Given ~ and AB = 20, CA = 8, and US = 9, what is ST? Does anyone know?
I have no idea how to use this site yet, so I'm just gonna put my algebra problem here. Thanks for any help! Graph system of equation: x-2y=2 3+y=6