cgreen2127 cgreen2127
  • 02-07-2020
  • Mathematics
contestada

Evaluate 3x 2-2x when x=5

Evaluate 3x 22x when x5 class=

Respuesta :

hd41186
hd41186 hd41186
  • 02-07-2020

Answer:

65

Step-by-step explanation:

5^2=25

3x25= 75

75- (2x5)

65

Answer Link
nishantwork777 nishantwork777
  • 31-12-2021

Q. Evaluate 3x²- 2x, when x=5?

The value of 3x²- 2x, when x=5 is 65.

3x²- 2x

= [3 x (5)²] - [2 x (5)]

= [3 x (25)] - [2 x (5)]

= [75] - [10]

= 65

Hence, the value of 3x²- 2x, when x=5 is 65.

To know more visit:

https://brainly.com/question/14677373

Answer Link

Otras preguntas

7.25 times 8 1/2= what?
If a 35 ft rope is cut into two sections with one section 6 times as long as the other section, how long is the shorter piece?
Why are capillaries thin walled?
What are some key words to use in writing and evaluation?
let f(x)=x+8 and g(x)=x^2 -6x-7. find f(g(2))
Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2
the difference of two numbers is 11 and their product is 42.find these numbers.
Why are capillaries thin walled?
What are some key words to use in writing and evaluation?
let f(x)=x+8 and g(x)=x^2 -6x-7. find f(g(2))