Add. (4x2 – 2x) + (5x - 7)
O A. 9x2 - 9x
B. 4x2 + 3x-7
C. 20x3 - 38x2 + 14x
O D. 4x2 - 7x+7
SUBMIT

4x^2  +3x -7

Step-by-step explanation:

(4x^2 – 2x) + (5x - 7)

Combine like terms

4x^2  -2x+5x    -7

4x^2  +3x -7

( 4x² - 2x ) + ( 5x - 7 )

Now , adding like terms.

4x² - 2x + 5x - 7

4x² + 3x -7

Option ( B ) is the correct answer.

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation:

add me on g  

mail to get the anwser

blogan.20174