Question

if a=3x²+2x-1,b=5x-3,c=x²-2, find the value of:3C-A​

Answer 1

a= 3x²+2x-1

b= 5x-3

c= x²-2

3c-a

c= x²-2

= 3*(x²-2 )-a

= 3x²-6-a

Answer 2

Answer:

-2x-5

Step-by-step explanation:

3c - a

→ 3(x² - 2) - (3x² + 2x - 1)

→ 3x² - 6 - 3x² - 2x + 1

→ -2x - 5