jalenshayewilliams
01.08.2021 •
Mathematics
Add.
(4x2 – 2x) + (5x - 7)
O A. 9x2 - 9x
B. 4x2 + 3x-7
C. 20x3 - 38x2 + 14x
O D. 4x2 - 7x+7
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Ответ:
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
Ответ:
( 4x² - 2x ) + ( 5x - 7 )
Now , adding like terms.
4x² - 2x + 5x - 7
4x² + 3x -7
Option ( B ) is the correct answer.
Ответ: