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

Need help with these please explain what you did and for which one.

Jordan and dion went apple picking. Jordan picked 8 9/10 of apples and dion picked 9 6/10 of apples. When they got home they put all the apples in one container

Help please !!!!!! ASAP

Who warned Jefferson Davis that the lower Mississippi was important to the existence of the Confederacy? Grant Jackson Lee Butler

3x-6y=-12 and x-2y=-8

what could be a possible value for x ? a. 3.5 b. 4.0 c. 4.5 d. 5.5

NEED HELP ASAP!!!Determine which heat transfers below are due to the process of conduction.I) You walk barefoot on the hot street and it burns your toes.II) Whe

what is the answer ?

What is the area of a circle with a diameter of 8 meters (use 3.14 for ð)? A. 50.24 square meters B. 78.25 square meters C. 200.96 square meters D. none of the

I really need this for tommorow ty!