eddyandre20000 eddyandre20000

02-03-2021
Mathematics

contestada

Simplify each expression.
a.
9x + 6 - 4x - 2x + 1 - 15
b.
(6x2 – 2x + 5) + (2x2 – 7x – 11)
С
7x2-5 - 2x - 3+ 5

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Yang100 Yang100

03-03-2021

Answer:

a) 3x-8 b) 8x^2-9x-6 c) 7x^2-2x-3

Step-by-step explanation:

a) 9x+6-4x-2x+1-15

9x-4x-2x+6+1-15

5x-2x+7-15

3x+7-15

3x-8

b) (6x^2-2x+5)+(2x^2-7x-11)

6x^2+2x^2-2x-7x+5-11

8x^2-9x-6

c) 7x^2-5-2x-3+5

7x^2-2x-8+5

7x^2-2x-3

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