tjaloha75 tjaloha75

14-07-2020
Mathematics

contestada

Find the sum. A. 4x2 – x – 5 B. 10x2 + 7x – 5 C. –10x2 + 7x + 11 D. 4x2 + x – 11

Find the sum A 4x2 x 5 B 10x2 7x 5 C 10x2 7x 11 D 4x2 x 11 class=

Respuesta :

devishri1977 devishri1977

14-07-2020

Answer:

A

Step-by-step explanation:

7x² - 4x - 8 - [ -3x² - 3x - 3]

In subtraction, flip the sign of all terms in the minuend

7x² - 4x - 8

3x² + 3x + 3

4x² - x - 5

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