alexjustin236 alexjustin236

29-06-2021
Mathematics

contestada

c
Question 15
1 pts
What is the sum of (3x² – 4x + 8) and
(-22 – 2x – 8) ?
2.02 - 60 + 1
o
222 - 2x
O 2x2
6x
O 2x2 + 62

c Question 15 1 pts What is the sum of 3x 4x 8 and 22 2x 8 202 60 1 o 222 2x O 2x2 6x O 2x2 62 class=

Respuesta :

jimrgrant1 jimrgrant1

29-06-2021

Answer:

2x² - 6x

Step-by-step explanation:

(3x² - 4x + 8) + (- x² - 2x - 8) ← remove both parenthesis

= 3x² - 4x + 8 - x² - 2x - 8 ← collect like terms

= 2x² - 6x

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